{"id":10680,"date":"2026-10-12T16:27:47","date_gmt":"2026-10-12T16:27:47","guid":{"rendered":"https:\/\/bioprofile.com\/?p=10680"},"modified":"2026-10-12T17:46:20","modified_gmt":"2026-10-12T17:46:20","slug":"heart-rate-and-fitness-talking-therapy-heart-rhythm","status":"publish","type":"post","link":"https:\/\/bioprofile.com\/en\/heart-rate-and-fitness-talking-therapy-heart-rhythm\/","title":{"rendered":"Heart rate and fitness: can talking therapy change your heart rhythm?"},"content":{"rendered":"\n<article class=\"wp-block-group bp-blog is-layout-flow wp-block-group-is-layout-flow\">\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@300;400;500;600;700&#038;display=swap\">\n<style id=\"bp-blog-design\">\n.bp-blog {\n  --bp-ink: #212527; --bp-teal: #005859; --bp-teal-deep: #006B62; --bp-emerald: #228A62;\n  --bp-green: #7CA74D; --bp-lime: #B7CB33; --bp-lime-soft: #B7CB3329; --bp-green-aa: #4F6B28;\n  --bp-beige: #EDEAE5; --bp-sand: #DBD4CB; --bp-pale-teal: #D9E6E6; --bp-white: #FFFFFF;\n  --bp-foot: #6b6b6b;\n  --bp-font: 'Poppins','Segoe UI',Arial,sans-serif;\n  --bp-fs-h1: 40px; --bp-fs-h2: 29px; --bp-fs-h3: 21px; --bp-fs-body: 17px;\n  --bp-fs-lead: 19px; --bp-fs-small: 14px; --bp-fs-foot: 13px; --bp-fs-btn: 17px;\n  --bp-lh-body: 1.75;\n  --bp-s-2: 8px; --bp-s-3: 12px; --bp-s-4: 16px; --bp-s-5: 24px; --bp-s-6: 32px;\n  --bp-s-7: 44px; --bp-s-8: 72px;\n  --bp-measure: 875px; --bp-prose: 875px; --bp-side: 40px; --bp-portrait: 132px;\n  --bp-radius-card: 20px; --bp-radius-btn: 10px; --bp-radius-chip: 999px;\n  --bp-shadow: 0 10px 30px rgba(0,88,89,0.10); --bp-shadow-soft: 0 2px 10px rgba(0,88,89,0.06);\n  font-family: var(--bp-font); font-size: var(--bp-fs-body); line-height: var(--bp-lh-body);\n  color: var(--bp-ink); background: var(--bp-white); -webkit-font-smoothing: antialiased;\n}\n.bp-blog, .bp-blog * { box-sizing: border-box; }\n.bp-blog p, .bp-blog li, .bp-blog h1, .bp-blog h2, .bp-blog h3, .bp-blog a, .bp-blog td,\n.bp-blog th, .bp-blog cite { overflow-wrap: break-word; min-width: 0; }\n.bp-blog h1, .bp-blog h2, .bp-blog h3 { text-wrap: balance; }\n.bp-blog p, .bp-blog li { text-wrap: pretty; }\n\/* WordPress core's flow layout puts 24px above every child after the first; inside\n   a grid or a flex row that is a misalignment (measured on the scan pages 2026-08-21) *\/\n.bp-blog .bp-blog-author > *, .bp-blog .bp-blog-related > *, .bp-blog .bp-blog-verify > * { margin-block: 0; }\n\n\/* --- sections: one column, the article measure, the section rhythm ------------ *\/\n.bp-blog-sec { position: relative; background: var(--bp-white); margin-block: 0;\n  padding-block: var(--bp-s-7);\n  padding-inline: max(var(--bp-side), calc((100% - var(--bp-measure)) \/ 2)); }\n.bp-blog-sec > *:last-child { margin-block-end: 0; }\n.bp-blog-sec > p, .bp-blog-sec > ul, .bp-blog-sec > ol, .bp-blog-sec > .wp-block-quote,\n.bp-blog-sec > .bp-blog-faq-item, .bp-blog-sec > .bp-blog-takeaways, .bp-blog-sec > .bp-blog-toc,\n.bp-blog-sec > .bp-blog-refs, .bp-blog-sec > .bp-blog-srclead { max-width: var(--bp-prose); }\n.bp-blog-sec--head { padding-block: var(--bp-s-7) 0; }\n.bp-blog-sec--body { padding-block: var(--bp-s-6) var(--bp-s-7); }\n.bp-blog-sec--beige { background: var(--bp-beige); }\n.bp-blog-sec--wash { background: linear-gradient(180deg, #B7CB331A 0%, #B7CB330D 100%), #FFFFFF; }\n.bp-blog-sec--tight { padding-block: var(--bp-s-6); }\n\/* A COLOURED SECTION IS A PANEL, so it carries the panel radius. 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\"https:\/\/bioprofile.com\/hartslag-en-conditie-gesprekstherapie-hartritme\/\",\n            \"name\": \"Hartslag en conditie: kan een gesprekstherapie je hartritme veranderen?\"\n          }\n        }\n      ]\n    }\n  ]\n}\n<\/script>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--head is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-eyebrow wp-block-paragraph\"><a href=\"https:\/\/bioprofile.com\/en\/category\/longevity-news\/new-research\/\">New research<\/a><\/p>\n\n\n\n<p class=\"bp-blog-meta wp-block-paragraph\">Published on 12 October 2026 \u00b7 Last updated on 12 October 2026 \u00b7 Reading time about 12 minutes<\/p>\n\n\n\n<p class=\"bp-blog-alsoin wp-block-paragraph\">Also in <a href=\"https:\/\/bioprofile.com\/en\/category\/heart-health-en\/\">Heart and vascular condition<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large bp-blog-hero\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-a1bcd05d.webp\" alt=\"A 52-year-old walker, laughing, strides at a brisk pace along a dune path towards the sea in the morning sun, a brisk walk for a good heart rate and fitness.\" class=\"wp-image-10562\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-a1bcd05d.webp 1200w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-a1bcd05d-300x158.webp 300w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-a1bcd05d-1024x538.webp 1024w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-a1bcd05d-768x403.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--body is-layout-flow wp-block-group-is-layout-flow\">\n\n<div class=\"wp-block-group bp-blog-takeaways is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">In short<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>For anyone who keeps an eye on heart rate and fitness: in a new review, adults who had cognitive behavioural therapy for low mood or anxiety showed a clearly greater rise than comparison groups in three measures of the variation between heartbeats.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/li>\n\n\n<li>Three other measures did not clearly change, and according to the authors the evidence is not yet settled: these are early signs.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/li>\n\n\n<li>It was already known that people diagnosed with anxiety as a condition have slightly lower heart rate variability than people without it.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup><\/li>\n\n<\/ul>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-toc is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-toclabel wp-block-paragraph\">Contents<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li><a href=\"#als-je-lichaam-nog-niet-doorheeft-dat-de-dag-voorbij-is\">When your body has not yet noticed the day is over<\/a><\/li>\n\n\n<li><a href=\"#je-bent-niet-de-enige\">You are not the only one<\/a><\/li>\n\n\n<li><a href=\"#waarom-piekeren-te-zien-is-in-je-hartslag\">Why worrying shows up in your heart rate<\/a><\/li>\n\n\n<li><a href=\"#een-nieuwe-overzichtsstudie-uit-southampton\">A new review from Southampton<\/a><\/li>\n\n\n<li><a href=\"#wat-hartslagvariabiliteit-je-echt-vertelt\">What heart rate variability really tells you<\/a><\/li>\n\n\n<li><a href=\"#wat-de-overzichtsstudie-vond-en-bij-wie\">What the review found, and in whom<\/a><\/li>\n\n\n<li><a href=\"#wat-de-overzichtsstudie-niet-laat-zien\">What the review does not show<\/a><\/li>\n\n\n<li><a href=\"#wat-je-hiermee-kunt-doen-voor-je-hartslag-en-conditie\">What you can do with this for your heart rate and fitness<\/a><\/li>\n\n\n<li><a href=\"#veelgestelde-vragen\">Frequently asked questions<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"als-je-lichaam-nog-niet-doorheeft-dat-de-dag-voorbij-is\">When your body has not yet noticed the day is over<\/h2>\n\n\n\n<p class=\"bp-blog-lead wp-block-paragraph\">Your heart rate and fitness carry you through the day: the inbox, the train home, the shopping and a conversation that keeps going round in your head. In the evening you sit down and notice your heart is still racing, as if your body hasn&#8217;t heard that the day is over. In bed you are already running through tomorrow, and in the morning you feel you never fully came to rest. Alongside your heart rate and fitness, the watch on your wrist may also show a number called heart rate variability, and it may be lower than last week. You wonder what that means, and whether the worrying in your head and the pounding in your chest are part of the same story.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Often they are, and a new review of the research adds a piece to that story. It looks at a widely used talking therapy for worry and low mood and asks a simple question: if your mind is doing better, does your heart change too?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"je-bent-niet-de-enige\">You are not the only one<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Worry and low mood are common. In 2023, 42 per cent of people in the Netherlands aged 12 or over had felt anxious or low in the previous four weeks, according to figures CBS published in 2024.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup> Among women it was 48 per cent, among men 37 per cent.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Across the North Sea, the picture is much the same. In April 2025, 18% of adults in Great Britain had moderate to severe symptoms of low mood, the Office for National Statistics (ONS) reported in 2025. The share was highest among younger adults: 26% of 16 to 29-year-olds.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Your body has its own figure too. In 2022, 44 per cent of Dutch adults met the Gezondheidsraad&#8217;s physical activity guidelines, CBS reported in 2023.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">6<\/a><\/sup> That means more than half did not.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So if your head is full and your fitness is not where you want it to be, you are certainly not alone. <a href=\"https:\/\/bioprofile.com\/en\/heart-self-test\/\">BioProfile&#8217;s free heart and blood vessel scan<\/a> gives you a first picture of where you stand with your heart and your fitness. The scan is not a diagnosis. The scan gives you insight into where you stand today.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"waarom-piekeren-te-zien-is-in-je-hartslag\">Why worrying shows up in your heart rate<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Your heart does not tick like a clock. The time between one beat and the next keeps changing, a little longer, then a little shorter, and that change is called heart rate variability. A healthy heart is not a metronome. It adapts quickly to what you ask of it, physically and mentally.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> Heart rate variability is not the same as your heart rate. You can read what counts as a normal resting heart rate on <a href=\"https:\/\/bioprofile.com\/en\/normal-heart-rate\/\">our page about a normal heart rate<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Much of that adjusting is done by the calming branch of the nervous system, which acts as a brake on the heart through the vagus nerve. Researchers read its activity from certain parts of the variation: the fast rhythm that follows your breathing, the high-frequency band, and the difference from one beat to the next, a measure called RMSSD.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It was already known that worry can show up in this rhythm. A 2014 meta-analysis of 36 articles compared 2,086 people diagnosed with an anxiety disorder with 2,294 people without one. The first group had a lower heart rate variability, a small to medium difference.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That finding is only a snapshot, though. It says that people who struggle with anxiety often have a less variable heart rhythm. It does not say whether that rhythm changes once those people start to feel better. There was also a second gap in what we know. Whether a talking therapy works is usually judged with questionnaires in which people score their own symptoms, and self-reports like these can be biased.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> A measure that comes from the body itself could serve as a second witness. That is where the new review comes in.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"een-nieuwe-overzichtsstudie-uit-southampton\">A new review from Southampton<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large bp-blog-partfig\"><img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s4-35b7d53e.webp\" alt=\"A 54-year-old client laughs during a conversation with a psychologist of around fifty in a bright practice room with plants.\" class=\"wp-image-10563\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s4-35b7d53e.webp 1200w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s4-35b7d53e-300x158.webp 300w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s4-35b7d53e-1024x538.webp 1024w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s4-35b7d53e-768x403.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The new piece of the story comes from a team at the School of Psychology of the University of Southampton in the United Kingdom. The first author, A. Alkout, also works at the Psychiatry Department of the College of Medicine at Kuwait University. The co-authors are A.H.B.E. Husaini (Nottingham University Business School in Malaysia and the University of the Bundeswehr in Munich), A. Kadan (University of Southampton), V. Parlatini (University of Southampton, Hampshire and Isle of Wight Healthcare NHS Foundation Trust and King&#8217;s College London), S. Cortese (University of Southampton, Hampshire and Isle of Wight NHS Foundation Trust, the University of Bari &#8220;Aldo Moro&#8221; and the New York University Child Study Center) and A. Bellato (University of Southampton and the University of Nottingham in Malaysia). The study was published online on 9 October 2026 in the International Journal of Psychophysiology, the official journal of the International Organization of Psychophysiology. It is not a preprint but an article in a scientific journal.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The team carried out a systematic review with meta-analysis: a study of studies. The team followed a plan registered in advance (PROSPERO CRD420251040957) and searched four large research databases: Embase, PsycINFO, PubMed and Web of Science. The researchers screened 9,713 search results, and 12 studies met the criteria. Five of these were randomised controlled trials whose results could be pooled. The other seven did not report figures that could be combined, so the team described them in words.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Why this matters for you: the study suggests that how you feel and how your heart behaves are not two separate stories. When worrying eases, the body may follow, and one day that may show up in a measure you can take without filling in a single questionnaire. If you have ever lain awake with a busy mind and a pounding heart, that is good to know. The two are linked, and that link may be able to shift.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-hartslagvariabiliteit-je-echt-vertelt\">What heart rate variability really tells you<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large bp-blog-partfig\"><img decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s5-6001a8a2.webp\" alt=\"Someone in their fifties in a linen shirt sits relaxed on a sunny wooden terrace with a cup of coffee, breathing in calmly and smiling.\" class=\"wp-image-10564\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s5-6001a8a2.webp 1200w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s5-6001a8a2-300x158.webp 300w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s5-6001a8a2-1024x538.webp 1024w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s5-6001a8a2-768x403.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Heart rate variability is not a measure of speed. It is best seen as a measure of flexibility. Your heart rate tells you how many times your heart beats per minute. Heart rate variability looks inside that minute, at the small differences in time between one beat and the next.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> Two people can have the same pulse and still have very different amounts of variation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two everyday moments make this concrete. In the first, you sit quietly and breathe slowly, and part of the variation moves along with your breathing. That breathing rhythm is the high-frequency band, and that band shows the calming branch of the nervous system at work.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> In the second, you climb a flight of stairs, or read a message that unsettles you, and within moments your heart adjusts to the physical or mental demand.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> A flexible system makes these shifts easy, and that flexibility is what the variation between beats captures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Researchers don&#8217;t use a single number for this. They use several, and each measure looks at the variation from a different angle. SDNN is the total spread of the intervals between normal beats across a whole recording. RMSSD looks at the difference from each beat to the next and is regarded as a sign of vagus nerve activity. HF is the fast rhythm within the variation, the rhythm that follows your breathing.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> LF is a slower rhythm, the LF\/HF ratio compares the two, and the triangular index is another way of describing the total spread. This matters for the new review, because the measures did not all move in the same way.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Psychologists see this as important because heart rate variability has been put forward as a gauge of emotion regulation: how well you handle your feelings and bring yourself back into balance.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> Two researchers who were not involved in this review describe that interest.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Our studies show that awareness of one&#8217;s own emotions is an important protective factor against psychological strain.<\/p>\n<cite>Prof. Dr. Markus Quirin, Lehrstuhl f\u00fcr Pers\u00f6nlichkeitspsychologie und Motivation, PFH Private Hochschule G\u00f6ttingen<\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Put simply, Quirin&#8217;s research, which is part of work on how the mind and the heart work together, finds that being aware of your own emotions is an important protection against mental strain.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">8<\/a><\/sup><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">HRV as a measure of brain health is something we are really very interested in.<\/p>\n<cite>Lori Cook, PhD, CCC-SLP, Director of Clinical Research, Center for BrainHealth, The University of Texas at Dallas<\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Cook&#8217;s centre studies heart rate variability as a window on the brain, the same window this review looks through.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">9<\/a><\/sup><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-de-overzichtsstudie-vond-en-bij-wie\">What the review found, and in whom<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The review looked at adults who had been diagnosed with low mood, anxiety or both, and who took part in cognitive behavioural therapy (CBT), one of the most widely used talking therapies for these complaints. Every included study measured heart rate variability at the start of the programme and again at the end.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Of the 12 studies found, 5 randomised controlled trials could be pooled. In these trials, chance decided who had CBT and who went into a comparison group. Adults who had CBT showed a clearly greater rise in heart rate variability from start to finish than the comparison groups. That held for three measures: the high-frequency band that follows breathing (HF), the slower low-frequency band (LF) and the total spread of the intervals between beats (SDNN). On the other three measures, the LF\/HF ratio, RMSSD and the triangular index, the review found no clear change.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">How many people took part is not stated in the abstract, the only part of the article we have read. The abstract also does not say how long the programmes lasted or what the comparison groups did. What the abstract does report is the size of the search: 9,713 search results screened, 12 studies included and 5 pooled.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The authors read their own result with care. According to the authors, these are early signs that physical changes can go together with psychological improvement.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-de-overzichtsstudie-niet-laat-zien\">What the review does not show<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">What this review does not show matters just as much as what it does show.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The study does not show a lasting change. It shows a greater rise in three measures over the course of a programme, in a small number of studies. Whether that rise lasted after the programme ended is not reported.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The study does not settle the question. Only 5 of the 12 studies could be pooled. The other 7 did not give figures that could be combined and are only described in words.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> That is a narrow basis for a firm conclusion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The measures also contradict each other. The band linked to breathing went up, but RMSSD, which is also regarded as a sign of the calming branch of the nervous system,\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> did not clearly change. A clearer result would have shown both moving together.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The study does not show that heart rate variability can tell you whether a therapy works for you. According to the authors, more high-quality research is needed before heart rate variability can serve as a sign of how well CBT works, or as a way to predict who responds to it.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, the study tells us nothing about people without these symptoms. The review did not look at the general public but at adults who had been diagnosed with low mood or anxiety as a condition.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-je-hiermee-kunt-doen-voor-je-hartslag-en-conditie\">What you can do with this for your heart rate and fitness<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large bp-blog-partfig\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s6-0fbc7772.webp\" alt=\"A 49-year-old measuring at home stands by the window in a bright kitchen, smiling, and feels the pulse with two fingers to count the heart rate.\" class=\"wp-image-10565\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s6-0fbc7772.webp 1200w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s6-0fbc7772-300x158.webp 300w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s6-0fbc7772-1024x538.webp 1024w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/10\/bp-blog-hartslag-en-conditie-gesprekstherapie-hartritme-s6-0fbc7772-768x403.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This review is no reason to start or stop anything on your own. It is a reason to take the link between your head and your heart seriously. Here are three directions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Take long-term stress seriously.<\/strong> If you have been troubled by worrying or tension for a long time, Thuisarts advises making an appointment with your GP or the practice nurse.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">10<\/a><\/sup> There you can ask what might help you.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>See your body as part of the story.<\/strong> A full head is something you also feel in your chest. If your watch shows heart rate variability, do not treat that number as a verdict on one morning, but as one signal of how your body is holding up.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Keep moving.<\/strong> More than half of Dutch adults do not meet the Dutch Physical Activity Guidelines.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">6<\/a><\/sup> You can read what sitting still does to your body in <a href=\"https:\/\/bioprofile.com\/en\/effects-of-too-little-movement-what-it-does-to-your-body\/\">our article on the effects of moving too little<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That leaves the question of how your own heart rate and fitness are doing today, and that is where each of these directions begins. The free BioProfile heart and vascular scan was made for that question: the scan gives you a first picture of where you stand, so you know your starting point.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-cta is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">See how your heart is doing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A free scan of your heart and blood vessels gives you a first picture of where you stand today. The scan gives you insight. The scan is not a diagnosis.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/bioprofile.com\/en\/heart-self-test\/\">Start the heart scan<\/a><\/div>\n\n<\/div>\n\n\n\n<p class=\"bp-blog-ctamicro wp-block-paragraph\">Free, about 3 minutes. An analysis of your answers, never a diagnosis. <a href=\"https:\/\/bioprofile.com\/en\/free-health-check-tests\/\">All health scans<\/a><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"veelgestelde-vragen\">Frequently asked questions<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">What is heart rate variability?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Heart rate variability is how much the time between one heartbeat and the next changes. A healthy heart does not beat like a metronome: it adapts quickly to physical and mental challenges, and those adjustments show up as variation between the beats.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Can a talking therapy change your heart rhythm?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A new review points in that direction, with caution. Across 5 pooled studies, adults who had cognitive behavioural therapy for low mood or anxiety showed a clearly greater rise in three measures of heart rate variability than comparison groups. Three other measures did not clearly change, and the authors describe the findings as early signs.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Is low heart rate variability linked to anxiety?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">On average, yes. A meta-analysis of 36 articles found that people diagnosed with an anxiety disorder had a slightly lower heart rate variability than people without one, a small to medium difference.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup> That is a group average and says nothing about any one person.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Does heart rate variability show whether a therapy works?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not yet. According to the authors, more high-quality research is needed before heart rate variability can serve as a sign of how well CBT is working.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">When should I talk to a doctor about stress?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you have been stressed for a long time, Thuisarts advises making an appointment with your GP or the practice nurse.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">10<\/a><\/sup><\/p>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--beige bp-blog-sec--tight is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bronnen\">Sources<\/h2>\n\n\n\n<p class=\"bp-blog-srclead wp-block-paragraph\">Every source below was checked on the day this article was published. The numbering follows the text.<\/p>\n\n\n\n<ol class=\"wp-block-list bp-blog-refs\">\n\n<li>Alkout A, Husaini AHBE, Kadan A, Parlatini V, Cortese S, Bellato A. The effects of cognitive-behavioural therapy (CBT) on heart rate variability (HRV) in people with depression and\/or anxiety disorders: A systematic review and meta-analysis. International Journal of Psychophysiology, 2026 (epub 2026-10-09). PMID 42854872. <a href=\"https:\/\/doi.org\/10.1016\/j.ijpsycho.2026.113495\">doi.org\/10.1016\/j.ijpsycho.2026.113495<\/a><\/li>\n\n\n<li>Chalmers JA, Quintana DS, Abbott MJ-A, Kemp AH. Anxiety Disorders are Associated with Reduced Heart Rate Variability: A Meta-Analysis. Frontiers in Psychiatry, 2014. <a href=\"https:\/\/doi.org\/10.3389\/fpsyt.2014.00080\">doi.org\/10.3389\/fpsyt.2014.00080<\/a><\/li>\n\n\n<li>CBS and Trimbos-instituut. 4 op de 10 Nederlanders hebben angst- of depressiegevoelens. CBS, 10 September 2024. <a href=\"https:\/\/www.cbs.nl\/nl-nl\/nieuws\/2024\/37\/4-op-de-10-nederlanders-hebben-angst-of-depressiegevoelens\">cbs.nl<\/a><\/li>\n\n\n<li>CBS and Trimbos-instituut. 4 op de 10 Nederlanders hebben angst- of depressiegevoelens. CBS, 10 September 2024. <a href=\"https:\/\/www.cbs.nl\/nl-nl\/nieuws\/2024\/37\/4-op-de-10-nederlanders-hebben-angst-of-depressiegevoelens\">cbs.nl<\/a><\/li>\n\n\n<li>Office for National Statistics. Public opinions and social trends, Great Britain: April 2025. ONS, 16 May 2025. <a href=\"https:\/\/www.ons.gov.uk\/peoplepopulationandcommunity\/wellbeing\/bulletins\/publicopinionsandsocialtrendsgreatbritain\/april2025\">ons.gov.uk<\/a><\/li>\n\n\n<li>CBS. Ruim 4 op de 10 volwassenen bewegen voldoende. CBS, 12 September 2023. <a href=\"https:\/\/www.cbs.nl\/nl-nl\/nieuws\/2023\/37\/ruim-4-op-de-10-volwassenen-bewegen-voldoende\">cbs.nl<\/a><\/li>\n\n\n<li>Shaffer F, Ginsberg JP. An Overview of Heart Rate Variability Metrics and Norms. Frontiers in Public Health, 2017. <a href=\"https:\/\/doi.org\/10.3389\/fpubh.2017.00258\">doi.org\/10.3389\/fpubh.2017.00258<\/a><\/li>\n\n\n<li>Markus Quirin, Lehrstuhl f\u00fcr Pers\u00f6nlichkeitspsychologie und Motivation, PFH Private Hochschule G\u00f6ttingen. Wie Psyche und Herz zusammenwirken: Studie belegt Bedeutung des emotionalen Bewusstseins. idw Informationsdienst Wissenschaft, 2024. <a href=\"https:\/\/idw-online.de\/en\/news836499\">idw-online.de<\/a><\/li>\n\n\n<li>Lori Cook, Director of Clinical Research, Center for BrainHealth, The University of Texas at Dallas. How Your Heart Rate Variability Can Offer an Insight into Your Mind (Helen Thomson). Center for BrainHealth, 2026. <a href=\"https:\/\/centerforbrainhealth.org\/article\/heart-rate-variability\">centerforbrainhealth.org<\/a><\/li>\n\n\n<li>Thuisarts.nl (NHG). Ik heb al heel lang stress. Thuisarts. <a href=\"https:\/\/www.thuisarts.nl\/stress\/ik-heb-al-heel-lang-stress\">thuisarts.nl<\/a><\/li>\n\n<\/ol>\n\n\n\n<p class=\"bp-blog-srcnote wp-block-paragraph\">Quotations from English have been translated by BioProfile.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--tight is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">Also read<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-related is-layout-flow wp-block-group-is-layout-flow\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/bioprofile.com\/en\/transcendental-meditation-at-work\/\">Transcendental Meditation at work: what six months among university staff showed<\/a><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/bioprofile.com\/en\/healthy-blood-pressure-american-heart-association-advisory\/\">Healthy blood pressure: why so few people reach it, and the new chart from the American Heart Association<\/a><\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--foot is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-legal wp-block-paragraph\">BioProfile analyses your health status to guide you and your coach. It does not make a diagnosis, only a doctor can do that. Built on validated health questionnaires; the combined BioProfile score is not itself a validated clinical instrument yet. Your answers stay private (GDPR).<\/p>\n\n<\/div>\n\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>New review: talking therapy for low mood or anxiety goes together with more variation between heartbeats. What does that say about heart rate and fitness?<\/p>\n","protected":false},"author":18,"featured_media":10562,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"2","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_opengraph-image-id":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_twitter-image-id":"","inline_featured_image":false,"footnotes":""},"categories":[72,114],"tags":[],"class_list":["post-10680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-heart-health-en","category-new-research"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Heart rate and fitness: talking therapy and your heart rhythm | BioProfile<\/title>\n<meta name=\"description\" content=\"New review: talking therapy for low mood or anxiety goes together with more variation between heartbeats. 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