{"id":6876,"date":"2026-10-09T06:58:00","date_gmt":"2026-10-09T06:58:00","guid":{"rendered":"https:\/\/bioprofile.com\/?p=6876"},"modified":"2026-10-09T23:06:02","modified_gmt":"2026-10-09T23:06:02","slug":"tener-siempre-frio-y-sentir-cansancio-las-causas","status":"publish","type":"post","link":"https:\/\/bioprofile.com\/es\/tener-siempre-frio-y-sentir-cansancio-las-causas\/","title":{"rendered":"Tener siempre fr\u00edo y sentir cansancio: las causas que ve un an\u00e1lisis de sangre y lo que mide un escaneo de energ\u00eda"},"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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Es importante, porque a veces hay algo detr\u00e1s que un m\u00e9dico puede encontrar, y m\u00e1s a menudo algo cotidiano. Todo el mundo va en camiseta y t\u00fa llevas chaqueta. Tienes las manos y los pies fr\u00edos, arrastras cansancio antes de que el d\u00eda empiece, y te preguntas si esas dos cosas van juntas. A veces s\u00ed: tener siempre fr\u00edo y sentir cansancio es la combinaci\u00f3n con la que se presentan una tiroides lenta y una falta de hierro, y un an\u00e1lisis de sangre ve las dos. M\u00e1s a menudo hay algo m\u00e1s cotidiano detr\u00e1s. <a href=\"https:\/\/bioprofile.com\/es\/escaner-test-de-fatiga\/\">El test de energ\u00eda de BioProfile<\/a> mide cu\u00e1nto te afectan esas molestias y te da una indicaci\u00f3n de d\u00f3nde est\u00e1s hoy en esta \u00e1rea, la primera de las 11 \u00e1reas de salud que valora el test completo. Esto no es un diagn\u00f3stico. Es informaci\u00f3n, para ver d\u00f3nde est\u00e1s hoy. Y para ayudarte a tomar mejores decisiones en tu alimentaci\u00f3n y tu estilo de vida. Lo que este test no hace: medir tu tiroides o tu hierro, ni dar un diagn\u00f3stico. Lo \u00faltimo solo lo puede hacer un m\u00e9dico, y lo primero solo la sangre.<\/p>\n\n\n\n<div class=\"wp-block-group bp-blog-verify bp-blog-verify--top is-layout-flow wp-block-group-is-layout-flow\">\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"290\" height=\"362\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/rt-portret-carlos-mendoza-montano.webp\" alt=\"Retrato de Carlos Mendoza Montano\" class=\"wp-image-5959\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/rt-portret-carlos-mendoza-montano.webp 290w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/rt-portret-carlos-mendoza-montano-240x300.webp 240w\" sizes=\"(max-width: 290px) 100vw, 290px\" \/><\/figure>\n\n\n\n<p class=\"bp-blog-verify-name wp-block-paragraph\">Verificado por <a href=\"https:\/\/www.linkedin.com\/in\/carlos-mendoza-montano-37615639\/\">Carlos Mendoza Montano<\/a><\/p>\n\n\n\n<p class=\"bp-blog-verify-cred wp-block-paragraph\">Doctorado en bioqu\u00edmica nutricional por la University of Arizona<\/p>\n\n\n\n<p class=\"bp-blog-verify-date wp-block-paragraph\">Revisado: 9 oct. 2026<\/p>\n\n<\/div>\n\n\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\">En resumen<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Cansancio, fr\u00edo y ganar peso es la lista de una tiroides lenta, y eso lo ve un an\u00e1lisis de sangre.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/li>\n\n\n<li>Un solo s\u00edntoma dice poco: en 25.862 personas los s\u00edntomas aparec\u00edan con m\u00e1s frecuencia cuando hab\u00eda una tiroides lenta, pero cada s\u00edntoma por s\u00ed solo era un indicio d\u00e9bil. Varios s\u00edntomas juntos son el motivo para hacer un an\u00e1lisis de sangre.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup><\/li>\n\n\n<li>Un escaneo de energ\u00eda mide cu\u00e1nto cansancio llevas encima y te da un valor de partida. No mide la tiroides ni el hierro, y no hace un diagn\u00f3stico.<\/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\">Contenido<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li><a href=\"#een-trage-schildklier\">Una tiroides lenta<\/a><\/li>\n\n\n<li><a href=\"#te-weinig-ijzer\">Falta de hierro<\/a><\/li>\n\n\n<li><a href=\"#als-bloed-niets-vindt\">Cuando la sangre no encuentra nada<\/a><\/li>\n\n\n<li><a href=\"#wat-een-energiescan-meet\">Qu\u00e9 mide un esc\u00e1ner de energ\u00eda<\/a><\/li>\n\n\n<li><a href=\"#wat-een-energiescan-niet-meet\">Qu\u00e9 no mide un esc\u00e1ner de energ\u00eda<\/a><\/li>\n\n\n<li><a href=\"#wat-je-met-je-score-doet\">Qu\u00e9 haces con tu puntuaci\u00f3n<\/a><\/li>\n\n\n<li><a href=\"#veelgestelde-vragen\">Preguntas frecuentes<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"een-trage-schildklier\">Una tiroides lenta<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sientes cansancio, tienes fr\u00edo, ganas peso: esa es la lista con la que Thuisarts describe una tiroides lenta, y el m\u00e9dico de cabecera la reconoce por un TSH demasiado alto en tu sangre.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> La lista completa es m\u00e1s larga. Las molestias m\u00e1s frecuentes en adultos son cansancio, apat\u00eda, no aguantar bien el fr\u00edo, ganar peso, estre\u00f1imiento, un cambio en la voz y la piel seca, y la gravedad va desde ninguna molestia en absoluto hasta poner la vida en peligro. La enfermedad en s\u00ed se define por los valores en sangre y no por las molestias.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La frecuencia con la que ocurre se midi\u00f3 en 25.862 visitantes de una feria de salud en Colorado: un 9,5 por ciento ten\u00eda una TSH elevada y un 2,2 por ciento una TSH baja. Los s\u00edntomas aparec\u00edan con m\u00e1s frecuencia en las personas con una tiroides lenta, pero cada s\u00edntoma por s\u00ed solo era un indicio d\u00e9bil. La conclusi\u00f3n de los investigadores: quien comunica varios s\u00edntomas de tiroides a la vez merece un an\u00e1lisis de sangre.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup> As\u00ed que tener fr\u00edo por s\u00ed solo no es un motivo; tener fr\u00edo junto con cansancio, peso y un intestino lento s\u00ed lo es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"te-weinig-ijzer\">Muy poco hierro<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La segunda causa que ve la sangre es la falta de hierro. A escala mundial es una de las mayores fuentes de carga de enfermedad, afecta sobre todo a ni\u00f1os y a mujeres antes de la menopausia, y los s\u00edntomas pueden estar ah\u00ed antes de que el hemograma muestre anemia.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup> La anemia en s\u00ed se siente como cansancio y debilidad, falta de aire al esforzarte, mareo, palpitaciones y menos color en la cara. Suele deberse a la falta de hierro, en las mujeres a menudo por reglas abundantes, y por encima de los 50 por p\u00e9rdida de sangre en el intestino; el m\u00e9dico de cabecera mide la hemoglobina, y se habla de anemia por debajo de 8,5 mmol\/l en hombres y por debajo de 7,5 mmol\/l en mujeres.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a>,<a href=\"#bronnen\">6<\/a><\/sup> Una falta siempre tiene una causa, y el m\u00e9dico tambi\u00e9n la busca.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"als-bloed-niets-vindt\">Cuando la sangre no encuentra nada<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ese es el resultado habitual. Si adem\u00e1s del cansancio no tienes otros s\u00edntomas, del an\u00e1lisis de sangre casi nunca sale una causa, dice Thuisarts,\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> y en una cohorte neerlandesa de 571 personas que acudieron al m\u00e9dico de cabecera con cansancio, en un 8 por ciento se encontr\u00f3 una enfermedad f\u00edsica clara en el plazo de un a\u00f1o.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">8<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Entonces quedan dos explicaciones cotidianas. La primera es una falta de sue\u00f1o que no sientes como falta: quien durmi\u00f3 seis horas durante catorce noches rend\u00eda al final como si hubiera pasado hasta dos noches sin dormir, y apenas sent\u00eda m\u00e1s sue\u00f1o.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">9<\/a><\/sup> La segunda es que tu cuerpo produce menos calor de lo que supone la norma. Investigadores de Maastricht midieron en mujeres j\u00f3venes un metabolismo en reposo m\u00e1s bajo que el est\u00e1ndar en el que se basan las temperaturas de las oficinas, lo que explica por qu\u00e9 la misma sala resulta agradable para una persona y fr\u00eda para otra.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">10<\/a><\/sup> As\u00ed que el fr\u00edo y el cansancio tambi\u00e9n pueden ser dos cosas corrientes a la vez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-een-energiescan-meet\">Qu\u00e9 mide un test de energ\u00eda<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El escaneo de energ\u00eda hace cinco preguntas sobre las \u00faltimas dos semanas: tu energ\u00eda a lo largo del d\u00eda, los bajones de energ\u00eda, cu\u00e1nto te apoyas en la cafe\u00edna, el cansancio f\u00edsico, y quedarte sin fuerzas para hacer cosas. Cada pregunta recibe puntos, los puntos se suman y se convierten en una puntuaci\u00f3n de energ\u00eda de 0 a 100, con la banda de lectura en la que cae. M\u00e1s alto es mejor. Las preguntas est\u00e1n modeladas sobre una escala de fatiga validada que est\u00e1 escrita en neerland\u00e9s; est\u00e1n formuladas de forma propia, no son una copia, y por tanto la puntuaci\u00f3n no es una puntuaci\u00f3n cl\u00ednica validada. Lo que obtienes es una imagen de cu\u00e1nto cansancio llevas encima, y un valor de partida.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-een-energiescan-niet-meet\">Qu\u00e9 no mide un test de energ\u00eda<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un cuestionario no puede atribuir el cansancio a nada. Una tiroides lenta, una falta de hierro, un mal patr\u00f3n de sue\u00f1o y un estado de \u00e1nimo bajo se leen todos igual en \u00e9l. As\u00ed que un escaneo de energ\u00eda no hace un diagn\u00f3stico. Los valores de la sangre son la capa que lleva esto de una imagen de la carga a una imagen explicada, y esos se los pides a un m\u00e9dico. Un cansancio que dura m\u00e1s de un mes, o que va acompa\u00f1ado de sudores nocturnos, menos ganas de comer, falta de aire o mucha sed, es un motivo para acudir al m\u00e9dico de cabecera.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-je-met-je-score-doet\">Qu\u00e9 haces con tu puntuaci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Una puntuaci\u00f3n de hoy es tu valor de partida. Ve al m\u00e9dico de cabecera con la lista de fr\u00edo, cansancio, m\u00e1s peso y un intestino lento, y pide un an\u00e1lisis de sangre, porque esa lista es el motivo para hacerlo.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup> Si la sangre no encuentra nada, repite el escaneo dentro de dos semanas, con las mismas preguntas, y trabaja mientras tanto en tus noches: la falta que no sientes es la falta que te cuesta energ\u00eda.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">9<\/a><\/sup> Lo que mide un test de sue\u00f1o sobre eso est\u00e1 en <a href=\"https:\/\/bioprofile.com\/es\/por-que-te-despiertas-con-cansancio\/\">por qu\u00e9 te despiertas cansado<\/a>.<\/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\">Mide d\u00f3nde empiezas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cinco preguntas sobre las dos \u00faltimas semanas, unos tres minutos, y tu puntuaci\u00f3n de energ\u00eda aparece en tu panel. Lo que mide el test de energ\u00eda y en qu\u00e9 se basa est\u00e1 en la p\u00e1gina del test.<\/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\/es\/escaner-test-de-fatiga\/\">Empieza el chequeo de energ\u00eda<\/a><\/div>\n\n<\/div>\n\n\n\n<p class=\"bp-blog-ctamicro wp-block-paragraph\">Gratis, unos 3 minutos. Un an\u00e1lisis de tus respuestas, nunca un diagn\u00f3stico. <a href=\"https:\/\/bioprofile.com\/es\/chequeos-de-salud\/\">Todos los esc\u00e1neres de salud<\/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\">Preguntas frecuentes<\/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\">\u00bfPor qu\u00e9 tengo siempre fr\u00edo y cansancio?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un an\u00e1lisis de sangre ve dos causas: una tiroides lenta\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup> y una falta de hierro.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup> Si la sangre no encuentra nada, m\u00e1s a menudo se trata de una falta de sue\u00f1o que no notas como falta,\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">9<\/a><\/sup> o simplemente de una producci\u00f3n de calor m\u00e1s baja que la norma.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">10<\/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\">\u00bfQu\u00e9 an\u00e1lisis de sangre te haces si tienes siempre fr\u00edo y cansancio?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Eso lo decide el m\u00e9dico de cabecera, que saca sangre si adem\u00e1s del cansancio hay m\u00e1s s\u00edntomas.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> Una tiroides lenta se reconoce por una TSH demasiado alta,\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> y la anemia por una hemoglobina demasiado baja: por debajo de 8,5 mmol\/l en hombres y por debajo de 7,5 mmol\/l en mujeres.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a>,<a href=\"#bronnen\">6<\/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\">\u00bfTener siempre fr\u00edo es un s\u00edntoma de una tiroides lenta?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Es uno de ellos, junto con el cansancio, la apat\u00eda, el aumento de peso, el estre\u00f1imiento, un cambio en la voz y la piel seca.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup> Por s\u00ed solo es un indicio d\u00e9bil; lo que cuenta es la combinaci\u00f3n.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/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\">\u00bfPuede el test de energ\u00eda ver un problema de tiroides?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. El test mide cu\u00e1nto cansancio arrastras; una tiroides lenta, una falta de hierro y un mal patr\u00f3n de sue\u00f1o se leen ah\u00ed todos igual. Solo la sangre ve la diferencia, y el test no da un diagn\u00f3stico.<\/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\">Fuentes<\/h2>\n\n\n\n<p class=\"bp-blog-srclead wp-block-paragraph\">Todas las fuentes de abajo se comprobaron el d\u00eda en que se public\u00f3 este art\u00edculo. La numeraci\u00f3n sigue el texto.<\/p>\n\n\n\n<ol class=\"wp-block-list bp-blog-refs\">\n\n<li>Thuisarts.nl (Nederlands Huisartsen Genootschap). Trage schildklier. <a href=\"https:\/\/www.thuisarts.nl\/trage-schildklier\">thuisarts.nl<\/a><\/li>\n\n\n<li>Canaris GJ, Manowitz NR, Mayor G, Ridgway EC. The Colorado thyroid disease prevalence study. Archives of Internal Medicine, 2000. <a href=\"https:\/\/doi.org\/10.1001\/archinte.160.4.526\">doi.org\/10.1001\/archinte.160.4.526<\/a><\/li>\n\n\n<li>Chaker L, Bianco AC, Jonklaas J, Peeters RP. Hypothyroidism. The Lancet, 2017. <a href=\"https:\/\/doi.org\/10.1016\/S0140-6736(17)30703-1\">doi.org\/10.1016\/S0140-6736(17)30703-1<\/a><\/li>\n\n\n<li>Pasricha SR, Tye-Din J, Muckenthaler MU, Swinkels DW. Iron deficiency. The Lancet, 2021. <a href=\"https:\/\/doi.org\/10.1016\/S0140-6736(20)32594-0\">doi.org\/10.1016\/S0140-6736(20)32594-0<\/a><\/li>\n\n\n<li>Thuisarts.nl (Nederlands Huisartsen Genootschap). Tengo anemia. <a href=\"https:\/\/www.thuisarts.nl\/bloedarmoede\/ik-heb-bloedarmoede\">thuisarts.nl<\/a><\/li>\n\n\n<li>NHG-werkgroep Anemie. NHG-Standaard Anemie (eerste herziening). Huisarts en Wetenschap, 2014. <a href=\"https:\/\/www.henw.org\/system\/files\/download\/hw5710-528.pdf\">henw.org<\/a><\/li>\n\n\n<li>Thuisarts.nl (Nederlands Huisartsen Genootschap). Tengo cansancio. \u00bfQu\u00e9 puede ser? <a href=\"https:\/\/www.thuisarts.nl\/moeheid\/ik-ben-moe-wat-kan-zijn\">thuisarts.nl<\/a><\/li>\n\n\n<li>Nijrolder I, van der Windt D, de Vries H, van der Horst H. Diagnoses during follow-up of patients presenting with fatigue in primary care. Canadian Medical Association Journal, 2009. <a href=\"https:\/\/doi.org\/10.1503\/cmaj.090647\">doi.org\/10.1503\/cmaj.090647<\/a><\/li>\n\n\n<li>Van Dongen HPA, Maislin G, Mullington JM, Dinges DF. The cumulative cost of additional wakefulness: dose-response effects on neurobehavioral functions and sleep physiology from chronic sleep restriction and total sleep deprivation. Sleep, 2003. <a href=\"https:\/\/doi.org\/10.1093\/sleep\/26.2.117\">doi.org\/10.1093\/sleep\/26.2.117<\/a><\/li>\n\n\n<li>Kingma B, van Marken Lichtenbelt W. Energy consumption in buildings and female thermal demand. Nature Climate Change, 2015. <a href=\"https:\/\/doi.org\/10.1038\/nclimate2741\">doi.org\/10.1038\/nclimate2741<\/a><\/li>\n\n<\/ol>\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\">Escrito por<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-author is-layout-flow wp-block-group-is-layout-flow\">\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"320\" height=\"320\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320.jpg\" alt=\"Jesse van der Velde\" class=\"wp-image-4815\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320.jpg 320w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320-300x300.jpg 300w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320-150x150.jpg 150w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group bp-blog-authorid is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorrole wp-block-paragraph\">Fundador de BioProfile<\/p>\n\n\n\n<p class=\"bp-blog-authorname wp-block-paragraph\">Jesse van der Velde<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-authorbody is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorbio wp-block-paragraph\">Desde 2006 acompa\u00f1a a personas hacia un cuerpo nuevo y una salud \u00f3ptima, y ha escrito o coescrito quince libros sobre nutrici\u00f3n y salud. Para siempre joven (2012) y Recetas con superalimentos (2013) llegaron ambos al n\u00famero 1 en los Pa\u00edses Bajos.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-authormeta is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorbio wp-block-paragraph\"><a href=\"https:\/\/nl.linkedin.com\/in\/jessevdv\">LinkedIn<\/a><\/p>\n\n\n\n<p class=\"bp-blog-dates wp-block-paragraph\">Publicado el 9 de octubre de 2026 \u00b7 \u00daltima actualizaci\u00f3n el 9 de octubre de 2026<\/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 analiza tu estado de salud para orientarte a ti y a tu coach. No hace un diagn\u00f3stico, eso solo lo puede hacer un m\u00e9dico. Est\u00e1 construido sobre cuestionarios de salud validados; la puntuaci\u00f3n combinada de BioProfile todav\u00eda no es en s\u00ed misma un instrumento cl\u00ednico validado. Tus respuestas siguen siendo privadas (RGPD).<\/p>\n\n<\/div>\n\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Tener siempre fr\u00edo y sentir cansancio: una tiroides lenta, falta de hierro, falta de sue\u00f1o o menos calor. Lo que ve un an\u00e1lisis de sangre y lo que mide un escaneo.<\/p>\n","protected":false},"author":18,"featured_media":6180,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"2","_yoast_wpseo_opengraph-image":"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/bp-blog-altijd-koud-hebben-en-moe-zijn-de-oorzaken-049596f6.webp","_yoast_wpseo_opengraph-image-id":"","_yoast_wpseo_twitter-image":"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/09\/bp-blog-altijd-koud-hebben-en-moe-zijn-de-oorzaken-049596f6.webp","_yoast_wpseo_twitter-image-id":"","inline_featured_image":false,"footnotes":""},"categories":[97],"tags":[],"class_list":["post-6876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energy-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tener siempre fr\u00edo y sentir cansancio: las causas | BioProfile<\/title>\n<meta name=\"description\" content=\"Tener siempre fr\u00edo y sentir cansancio: una tiroides lenta, falta de hierro, falta de sue\u00f1o o menos calor. 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