{"id":6199,"date":"2026-07-18T04:20:00","date_gmt":"2026-07-18T03:20:00","guid":{"rendered":"https:\/\/www.tuasaude.com\/es\/news\/?p=6199"},"modified":"2026-07-17T20:59:47","modified_gmt":"2026-07-17T19:59:47","slug":"el-cafe-y-el-te-cuentan-como-agua-lo-que-responden-los-dietistas","status":"publish","type":"post","link":"https:\/\/www.tuasaude.com\/es\/news\/2026\/07\/18\/el-cafe-y-el-te-cuentan-como-agua-lo-que-responden-los-dietistas\/","title":{"rendered":"\u00bfEl caf\u00e9 y el t\u00e9 cuentan como agua? Lo que responden los dietistas"},"content":{"rendered":"\n<!-- ===== TS-COMPONENTE-1-CAFE-HIDRATACION-INICIO ===== -->\n<div id=\"ts-cafe-hidratacion-teaser\">\n  <style>\n    #ts-cafe-hidratacion-teaser * {\n      box-sizing: border-box;\n    }\n\n    #ts-cafe-hidratacion-teaser {\n      font-family: -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;\n      background: #ffffff;\n      border: 1px solid #e3edf3;\n      border-radius: 14px;\n      padding: 22px;\n      max-width: 640px;\n      margin: 24px auto;\n      box-shadow: 0 2px 14px rgba(26,58,74,0.07);\n    }\n\n    #ts-cafe-hidratacion-teaser .ts-head {\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 18px;\n    }\n\n    #ts-cafe-hidratacion-teaser .ts-badge {\n      display: inline-flex;\n      align-items: center;\n      background: #1c86c4;\n      color: #ffffff;\n      font-size: 12.5px;\n      font-weight: 700;\n      letter-spacing: 0.04em;\n      text-transform: uppercase;\n      padding: 6px 12px;\n      border-radius: 999px;\n    }\n\n    #ts-cafe-hidratacion-teaser .ts-item {\n      display: flex;\n      gap: 10px;\n      align-items: flex-start;\n      margin-bottom: 12px;\n    }\n\n    #ts-cafe-hidratacion-teaser .ts-item:last-child {\n      margin-bottom: 0;\n    }\n\n    #ts-cafe-hidratacion-teaser .ts-mark {\n      flex: 0 0 auto;\n      color: #e63b3b;\n      font-weight: 800;\n      font-size: 14px;\n      margin-top: 1px;\n    }\n\n    #ts-cafe-hidratacion-teaser .ts-item:nth-child(even) .ts-mark {\n      color: #1c86c4;\n    }\n\n    #ts-cafe-hidratacion-teaser .ts-item-text {\n      display: block;\n      color: #1a3a4a;\n      font-size: 15px;\n      line-height: 1.45;\n      font-weight: 500;\n      margin: 0;\n    }\n  <\/style>\n\n  <div class=\"ts-head\">\n    <svg width=\"30\" height=\"30\" viewBox=\"0 0 30 30\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\">\n      <circle cx=\"15\" cy=\"15\" r=\"14\" fill=\"#1c86c4\"\/>\n      <rect x=\"12.5\" y=\"6\" width=\"5\" height=\"18\" rx=\"1.5\" fill=\"#ffffff\"\/>\n      <rect x=\"6\" y=\"12.5\" width=\"18\" height=\"5\" rx=\"1.5\" fill=\"#ffffff\"\/>\n    <\/svg>\n    <span class=\"ts-badge\">Lo que ver\u00e1s<\/span>\n  <\/div>\n\n  <div class=\"ts-item\">\n    <span class=\"ts-mark\">\u2713<\/span>\n    <span class=\"ts-item-text\">El experimento cient\u00edfico con agua pesada que midi\u00f3 la hidrataci\u00f3n real en bebedores de caf\u00e9.<\/span>\n  <\/div>\n\n  <div class=\"ts-item\">\n    <span class=\"ts-mark\">\u2713<\/span>\n    <span class=\"ts-item-text\">La cantidad exacta de miligramos de cafe\u00edna que activa el efecto diur\u00e9tico de los ri\u00f1ones.<\/span>\n  <\/div>\n\n  <div class=\"ts-item\">\n    <span class=\"ts-mark\">\u2713<\/span>\n    <span class=\"ts-item-text\">A los cu\u00e1ntos d\u00edas el cuerpo se adapta a la cafe\u00edna anulando casi por completo la p\u00e9rdida de l\u00edquido.<\/span>\n  <\/div>\n\n  <div class=\"ts-item\">\n    <span class=\"ts-mark\">\u2713<\/span>\n    <span class=\"ts-item-text\">La regla de oro de los nutricionistas para equilibrar infusiones y agua pura en el d\u00eda a d\u00eda.<\/span>\n  <\/div>\n<\/div>\n<!-- ===== TS-COMPONENTE-1-CAFE-HIDRATACION-FIM ===== -->\n\n\n\n<p class=\"wp-block-paragraph\">Es una de las creencias m\u00e1s arraigadas de la nutrici\u00f3n popular: el <strong>caf\u00e9<\/strong> deshidrata, as\u00ed que no cuenta para los famosos dos litros. Incluso hay quien se obliga a beber un vaso de agua por cada caf\u00e9, para &#8220;compensar&#8221;. La ciencia lleva a\u00f1os desmontando esa idea, y con datos de bastante calidad. La respuesta corta es que s\u00ed cuentan. La larga tiene un matiz interesante sobre por qu\u00e9 el mito parec\u00eda tan razonable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfDe d\u00f3nde viene el mito?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"573\" src=\"https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_section-1-titulo-cafe-y-t_tfBOXPwmZJ-1024x573.png\" alt=\"Muitas pessoas recorrem a caf\u00e9 e bebidas energ\u00e9ticas para vencer o cansa\u00e7o, mas especialistas alertam que isso pode piorar a fadiga.\" class=\"wp-image-6491\" style=\"aspect-ratio:1.7871557131169893;width:1170px;height:auto\" srcset=\"https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_section-1-titulo-cafe-y-t_tfBOXPwmZJ-1024x573.png 1024w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_section-1-titulo-cafe-y-t_tfBOXPwmZJ-300x168.png 300w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_section-1-titulo-cafe-y-t_tfBOXPwmZJ-768x430.png 768w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_section-1-titulo-cafe-y-t_tfBOXPwmZJ-750x420.png 750w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_section-1-titulo-cafe-y-t_tfBOXPwmZJ-1140x638.png 1140w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_section-1-titulo-cafe-y-t_tfBOXPwmZJ.png 1344w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">El caf\u00e9, el t\u00e9 y el agua aparecen relacionados con hidrataci\u00f3n, cafe\u00edna, moderaci\u00f3n y h\u00e1bitos como reducir az\u00facar y cuidar el sue\u00f1o.<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">De un hecho real: la <strong>cafe\u00edna<\/strong> es un diur\u00e9tico leve. Es decir, empuja al ri\u00f1\u00f3n a producir algo m\u00e1s de orina. Eso est\u00e1 descrito desde 1949 y nadie lo discute.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El error est\u00e1 en el salto siguiente. Que orines un poco m\u00e1s no significa que pierdas m\u00e1s l\u00edquido del que has ganado. La pregunta correcta no es cu\u00e1ntas veces vas al ba\u00f1o, sino cu\u00e1l es el <strong>balance neto<\/strong> entre lo que entra y lo que sale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfQu\u00e9 dice la ciencia?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El estudio de referencia midi\u00f3 el agua corporal total, el m\u00e9todo m\u00e1s fiable que existe, en lugar de limitarse a contar visitas al ba\u00f1o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seg\u00fan un ensayo cruzado publicado en la revista <em>PLOS One<\/em> en 2013 y recogido en la <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3886980\/\" target=\"_blank\" rel=\"noreferrer noopener\">base de datos de los Institutos Nacionales de Salud<\/a>, no se encontr\u00f3 <strong>ninguna evidencia de deshidrataci\u00f3n<\/strong> con un consumo moderado de caf\u00e9 en bebedores habituales. El caf\u00e9 ofreci\u00f3 una hidrataci\u00f3n similar a la del agua.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfPor qu\u00e9 el balance sale positivo?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Por pura aritm\u00e9tica. Una taza de caf\u00e9 es agua en un 98%, y el peque\u00f1o efecto diur\u00e9tico de la cafe\u00edna no llega ni de lejos a compensar todo ese l\u00edquido que acabas de ingerir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Estas son las cifras:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>El umbral diur\u00e9tico est\u00e1 en unos <strong>250 a 300 mg<\/strong> de cafe\u00edna.<\/li>\n\n\n\n<li>Eso equivale a 2 o 3 caf\u00e9s, o de 5 a 8 t\u00e9s.<\/li>\n\n\n\n<li>Por debajo, no hay diferencia frente al agua.<\/li>\n\n\n\n<li>El agua de la taza <strong>supera con creces<\/strong> lo que se pierde.<\/li>\n\n\n\n<li>Caf\u00e9 y t\u00e9 hidratan en torno al 95-98% de lo que hidrata el agua.<\/li>\n<\/ul>\n\n\n\n<!-- ===== TS-COMPONENTE-2-CALCULADORA-HIDRATACION-INICIO ===== -->\n<div id=\"ts-cafe-calc-widget\">\n  <style>\n    #ts-cafe-calc-widget * {\n      box-sizing: border-box;\n    }\n\n    #ts-cafe-calc-widget {\n      font-family: -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;\n      background: #f5f9fc;\n      border: 1px solid #dce9f1;\n      border-radius: 12px;\n      padding: 24px;\n      max-width: 540px;\n      margin: 32px auto;\n    }\n\n    #ts-cafe-calc-widget .ts-title {\n      font-size: 18px;\n      font-weight: 700;\n      color: #1a3a4a;\n      text-align: center;\n      margin-bottom: 6px;\n      display: block;\n    }\n\n    #ts-cafe-calc-widget .ts-intro {\n      font-size: 14px;\n      color: #55707e;\n      text-align: center;\n      line-height: 1.4;\n      margin-bottom: 24px;\n      display: block;\n    }\n\n    #ts-cafe-calc-widget .ts-input-group {\n      background: #ffffff;\n      border: 1px solid #e3edf3;\n      border-radius: 10px;\n      padding: 14px 18px;\n      display: flex;\n      align-items: center;\n      justify-content: space-between;\n      margin-bottom: 12px;\n    }\n\n    #ts-cafe-calc-widget .ts-drink-info {\n      display: flex;\n      flex-direction: column;\n      gap: 2px;\n    }\n\n    #ts-cafe-calc-widget .ts-drink-name {\n      font-size: 15px;\n      font-weight: 600;\n      color: #1a3a4a;\n    }\n\n    #ts-cafe-calc-widget .ts-drink-sub {\n      font-size: 12px;\n      color: #7994a3;\n    }\n\n    #ts-cafe-calc-widget .ts-counter {\n      display: flex;\n      align-items: center;\n      gap: 14px;\n    }\n\n    #ts-cafe-calc-widget .ts-btn-counter {\n      width: 34px;\n      height: 34px;\n      border-radius: 50%;\n      border: 1px solid #cbdbe6;\n      background: #f5f9fc;\n      color: #1a3a4a;\n      font-size: 18px;\n      font-weight: 600;\n      cursor: pointer;\n      display: flex;\n      align-items: center;\n      justify-content: center;\n      transition: all 0.15s ease;\n    }\n\n    #ts-cafe-calc-widget .ts-btn-counter:hover {\n      background: #e3edf3;\n      border-color: #1c86c4;\n    }\n\n    #ts-cafe-calc-widget .ts-count-val {\n      font-size: 16px;\n      font-weight: 700;\n      color: #1a3a4a;\n      min-width: 18px;\n      text-align: center;\n    }\n\n    #ts-cafe-calc-widget .ts-results-panel {\n      background: #ffffff;\n      border: 1px solid #dce9f1;\n      border-radius: 10px;\n      padding: 20px;\n      margin-top: 20px;\n      display: grid;\n      grid-template-columns: 1fr 1fr;\n      gap: 16px;\n    }\n\n    #ts-cafe-calc-widget .ts-res-card {\n      display: flex;\n      flex-direction: column;\n      align-items: center;\n      text-align: center;\n    }\n\n    #ts-cafe-calc-widget .ts-res-label {\n      font-size: 12px;\n      font-weight: 700;\n      color: #55707e;\n      text-transform: uppercase;\n      letter-spacing: 0.04em;\n      margin-bottom: 6px;\n    }\n\n    #ts-cafe-calc-widget .ts-res-num {\n      font-size: 28px;\n      font-weight: 700;\n      color: #1a3a4a;\n      line-height: 1;\n    }\n\n    #ts-cafe-calc-widget .ts-res-unit {\n      font-size: 14px;\n      font-weight: 500;\n      color: #7994a3;\n      margin-top: 2px;\n    }\n\n    #ts-cafe-calc-widget .ts-verdict-box {\n      grid-column: 1 \/ -1;\n      border-top: 1px dashed #e3edf3;\n      padding-top: 14px;\n      font-size: 13.5px;\n      line-height: 1.45;\n      color: #1a3a4a;\n    }\n\n    #ts-cafe-calc-widget .ts-footer-controls {\n      display: flex;\n      justify-content: flex-end;\n      margin-top: 12px;\n    }\n\n    #ts-cafe-calc-widget .ts-btn-reset {\n      background: transparent;\n      border: none;\n      color: #7994a3;\n      font-size: 13px;\n      font-weight: 600;\n      cursor: pointer;\n      text-decoration: underline;\n      padding: 4px 8px;\n    }\n\n    #ts-cafe-calc-widget .ts-btn-reset:hover {\n      color: #1a3a4a;\n    }\n\n    #ts-cafe-calc-widget .ts-footer {\n      font-size: 11.5px;\n      color: #7994a3;\n      margin-top: 20px;\n      padding-top: 12px;\n      border-top: 1px solid #dce9f1;\n      text-align: center;\n      display: block;\n    }\n\n    @media (max-width: 480px) {\n      #ts-cafe-calc-widget .ts-results-panel {\n        grid-template-columns: 1fr;\n      }\n      #ts-cafe-calc-widget .ts-verdict-box {\n        border-top: 1px dashed #e3edf3;\n      }\n    }\n  <\/style>\n\n  <span class=\"ts-title\">Calculadora de Hidrataci\u00f3n y Cafe\u00edna<\/span>\n  <span class=\"ts-intro\">Suma lo que consumes al d\u00eda para ver el aporte de l\u00edquido neto y evaluar si superas el umbral diur\u00e9tico.<\/span>\n\n  <!-- Input 1 -->\n  <div class=\"ts-input-group\">\n    <div class=\"ts-drink-info\">\n      <span class=\"ts-drink-name\">Agua Pura<\/span>\n      <span class=\"ts-drink-sub\">Vaso est\u00e1ndar (250 ml) \u00b7 0 mg cafe\u00edna<\/span>\n    <\/div>\n    <div class=\"ts-counter\">\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"sub\" data-target=\"agua\">\u2014<\/button>\n      <span class=\"ts-count-val\" id=\"count-agua\">4<\/span>\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"add\" data-target=\"agua\">+<\/button>\n    <\/div>\n  <\/div>\n\n  <!-- Input 2 -->\n  <div class=\"ts-input-group\">\n    <div class=\"ts-drink-info\">\n      <span class=\"ts-drink-name\">Caf\u00e9 de Filtro \/ Americano<\/span>\n      <span class=\"ts-drink-sub\">Taza mediana (200 ml) \u00b7 ~90 mg cafe\u00edna<\/span>\n    <\/div>\n    <div class=\"ts-counter\">\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"sub\" data-target=\"filtro\">\u2014<\/button>\n      <span class=\"ts-count-val\" id=\"count-filtro\">2<\/span>\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"add\" data-target=\"filtro\">+<\/button>\n    <\/div>\n  <\/div>\n\n  <!-- Input 3 -->\n  <div class=\"ts-input-group\">\n    <div class=\"ts-drink-info\">\n      <span class=\"ts-drink-name\">Caf\u00e9 Expreso<\/span>\n      <span class=\"ts-drink-sub\">Taza peque\u00f1a (60 ml) \u00b7 ~80 mg cafe\u00edna<\/span>\n    <\/div>\n    <div class=\"ts-counter\">\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"sub\" data-target=\"expreso\">\u2014<\/button>\n      <span class=\"ts-count-val\" id=\"count-expreso\">0<\/span>\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"add\" data-target=\"expreso\">+<\/button>\n    <\/div>\n  <\/div>\n\n  <!-- Input 4 -->\n  <div class=\"ts-input-group\">\n    <div class=\"ts-drink-info\">\n      <span class=\"ts-drink-name\">T\u00e9 (Negro \/ Verde)<\/span>\n      <span class=\"ts-drink-sub\">Taza normal (200 ml) \u00b7 ~40 mg cafe\u00edna<\/span>\n    <\/div>\n    <div class=\"ts-counter\">\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"sub\" data-target=\"te\">\u2014<\/button>\n      <span class=\"ts-count-val\" id=\"count-te\">0<\/span>\n      <button type=\"button\" class=\"ts-btn-counter\" data-action=\"add\" data-target=\"te\">+<\/button>\n    <\/div>\n  <\/div>\n\n  <!-- Panel de Resultados -->\n  <div class=\"ts-results-panel\">\n    <div class=\"ts-res-card\">\n      <span class=\"ts-res-label\">L\u00edquido Neto Ingerido<\/span>\n      <div class=\"ts-res-num\" id=\"res-liquido\" aria-live=\"polite\">1400<\/div>\n      <span class=\"ts-res-unit\">mililitros (ml)<\/span>\n    <\/div>\n\n    <div class=\"ts-res-card\">\n      <span class=\"ts-res-label\">Cafe\u00edna Acumulada<\/span>\n      <div class=\"ts-res-num\" id=\"res-cafeina\" aria-live=\"polite\">180<\/div>\n      <span class=\"ts-res-unit\">miligramos (mg)<\/span>\n    <\/div>\n\n    <div class=\"ts-verdict-box\" id=\"ts-verdict\" aria-live=\"polite\">\n      Cargando balance&#8230;\n    <\/div>\n  <\/div>\n\n  <div class=\"ts-footer-controls\">\n    <button type=\"button\" class=\"ts-btn-reset\" id=\"ts-calc-reset\">Restablecer cantidades<\/button>\n  <\/div>\n\n  <span class=\"ts-footer\">C\u00e1lculo orientativo basado en tolerancia est\u00e1ndar. F\u00f3rmulas de balance volumen\/concentraci\u00f3n de cafe\u00edna. Estudio PLOS One (2014).<\/span>\n\n  <script>\n    (function () {\n      const widget = document.getElementById('ts-cafe-calc-widget');\n      if (!widget) return;\n\n      const counts = { agua: 4, filtro: 2, expreso: 0, te: 0 };\n      const specs = {\n        agua: { vol: 250, caf: 0 },\n        filtro: { vol: 200, caf: 90 },\n        expreso: { vol: 60, caf: 80 },\n        te: { vol: 200, caf: 40 }\n      };\n\n      function calculate() {\n        let totalVol = 0;\n        let totalCaf = 0;\n\n        for (const key in counts) {\n          totalVol += counts[key] * specs[key].vol;\n          totalCaf += counts[key] * specs[key].caf;\n        }\n\n        document.getElementById('res-liquido').textContent = totalVol;\n        document.getElementById('res-cafeina').textContent = totalCaf;\n\n        \/\/ Construir veredicto cl\u00ednico educativo\n        const verdictEl = document.getElementById('ts-verdict');\n        let text = \"\";\n\n        if (totalVol === 0) {\n          text = \"<strong>Balance vac\u00edo:<\/strong> A\u00f1ade las bebidas que consumes habitualmente durante el d\u00eda para analizar tu perfil.\";\n        } else {\n          text = `<strong>Efecto en tu hidrataci\u00f3n:<\/strong> Toda el agua de tus tazas suma. Tu l\u00edquido total es de ${(totalVol\/1000).toFixed(2)} litros. `;\n          \n          if (totalCaf === 0) {\n            text += \"Tu hidrataci\u00f3n es 100% limpia y \u00f3ptima, libre de efectos diur\u00e9ticos.\";\n          } else if (totalCaf < 250) {\n            text += \"Tu consumo de cafe\u00edna est\u00e1 por debajo del umbral diur\u00e9tico activo. Estas tazas hidratan de forma id\u00e9ntica al agua pura.\";\n          } else if (totalCaf <= 400) {\n            text += \"Est\u00e1s en la zona de consumo moderado seguro. Aunque se activa un leve est\u00edmulo renal, si eres bebedor habitual tu ri\u00f1\u00f3n ya est\u00e1 adaptado y el balance neto sigue siendo muy positivo.\";\n          } else {\n            text += \"<span style='color:#e63b3b; font-weight:700;'>\u00a1Atenci\u00f3n!<\/span> Superas los 400 mg de cafe\u00edna al d\u00eda (l\u00edmite m\u00e1ximo seguro EFSA). A este nivel, el efecto diur\u00e9tico se intensifica, especialmente si hace calor, y puede competir con la hidrataci\u00f3n ganada. Intenta sustituir tus pr\u00f3ximas tazas por agua pura.\";\n          }\n        }\n        verdictEl.innerHTML = text;\n      }\n\n      \/\/ Configurar eventos para los botones mas\/menos\n      widget.querySelectorAll('.ts-btn-counter').forEach(button => {\n        button.addEventListener('click', function() {\n          const target = this.getAttribute('data-target');\n          const action = this.getAttribute('data-action');\n          \n          if (action === 'add') {\n            if (counts[target] < 15) counts[target]++;\n          } else {\n            if (counts[target] > 0) counts[target]--;\n          }\n          \n          document.getElementById(`count-${target}`).textContent = counts[target];\n          calculate();\n        });\n      });\n\n      \/\/ Bot\u00f3n restablecer\n      document.getElementById('ts-calc-reset').addEventListener('click', function() {\n        counts.agua = 0;\n        counts.filtro = 0;\n        counts.expreso = 0;\n        counts.te = 0;\n        \n        for (const key in counts) {\n          document.getElementById(`count-${key}`).textContent = 0;\n        }\n        calculate();\n      });\n\n      \/\/ Render inicial\n      calculate();\n    })();\n  <\/script>\n<\/div>\n<!-- ===== TS-COMPONENTE-2-CALCULADORA-HIDRATACION-FIM ===== -->\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfY el efecto de la costumbre?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aqu\u00ed est\u00e1 el segundo dato que remata el mito. El cuerpo se adapta a la cafe\u00edna, y lo hace r\u00e1pido.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los bebedores habituales desarrollan <strong>tolerancia<\/strong> al efecto diur\u00e9tico en apenas 4 o 5 d\u00edas. Es decir, si tomas caf\u00e9 a diario, tu ri\u00f1\u00f3n hace tiempo que se ajust\u00f3 y ese efecto apenas existe. Solo quien toma cafe\u00edna de forma muy ocasional podr\u00eda notar algo, y aun as\u00ed de forma m\u00ednima.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfEntonces da igual qu\u00e9 beber?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"573\" src=\"https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_corpo-a-transparent-measu_UysdLc2wny-1024x573.png\" alt=\"\" class=\"wp-image-6492\" style=\"aspect-ratio:1.7871557131169893;width:1170px;height:auto\" srcset=\"https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_corpo-a-transparent-measu_UysdLc2wny-1024x573.png 1024w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_corpo-a-transparent-measu_UysdLc2wny-300x168.png 300w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_corpo-a-transparent-measu_UysdLc2wny-768x430.png 768w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_corpo-a-transparent-measu_UysdLc2wny-750x420.png 750w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_corpo-a-transparent-measu_UysdLc2wny-1140x638.png 1140w, https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_corpo-a-transparent-measu_UysdLc2wny.png 1344w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Una tetera vierte una bebida oscura en una jarra medidora, acompa\u00f1ada por una taza y una representaci\u00f3n de los ri\u00f1ones.<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">No exactamente, y aqu\u00ed conviene el matiz honesto. Que el caf\u00e9 cuente no significa que sea intercambiable con el agua en todos los sentidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ten en cuenta que:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>El agua no aporta calor\u00edas, az\u00facar ni otras sustancias.<\/li>\n\n\n\n<li>El caf\u00e9 con az\u00facar, leche o nata suma calor\u00edas.<\/li>\n\n\n\n<li>La cafe\u00edna afecta al <a href=\"https:\/\/www.tuasaude.com\/es\/como-quitar-el-sueno\/\" target=\"_blank\" rel=\"noreferrer noopener\">sue\u00f1o<\/a>, la ansiedad y el pulso.<\/li>\n\n\n\n<li>Las <strong>infusiones sin cafe\u00edna<\/strong> hidratan sin ning\u00fan matiz.<\/li>\n\n\n\n<li>Una regla sensata: que al menos la mitad del l\u00edquido sea agua.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfCu\u00e1ndo s\u00ed conviene vigilar?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El efecto diur\u00e9tico se vuelve relevante en circunstancias concretas, y en Espa\u00f1a el verano es una de ellas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Presta atenci\u00f3n si:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Superas los <strong>400 mg<\/strong> de cafe\u00edna al d\u00eda.<\/li>\n\n\n\n<li>Hace mucho <strong>calor<\/strong> o haces ejercicio intenso.<\/li>\n\n\n\n<li>Ya est\u00e1s deshidratado.<\/li>\n\n\n\n<li>Eres muy sensible a la cafe\u00edna.<\/li>\n\n\n\n<li>Sustituyes el agua por caf\u00e9 durante todo el d\u00eda.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Lo que conviene recordar sobre el caf\u00e9 y el agua<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El caf\u00e9 y el t\u00e9 s\u00ed cuentan para tu hidrataci\u00f3n diaria: el estudio que midi\u00f3 el agua corporal total no encontr\u00f3 deshidrataci\u00f3n alguna con un consumo moderado en bebedores habituales. La cafe\u00edna es un diur\u00e9tico leve, pero el agua de la taza compensa de sobra esa p\u00e9rdida, y el cuerpo desarrolla tolerancia en pocos d\u00edas. Eso no convierte al caf\u00e9 en sustituto del agua, porque arrastra cafe\u00edna, az\u00facar o leche. Lo sensato es contarlo, y que al menos la mitad de tus l\u00edquidos venga del <a href=\"https:\/\/www.tuasaude.com\/es\/calculadora\/agua-por-peso\/\" target=\"_blank\" rel=\"noreferrer noopener\">agua<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Este contenido tiene finalidad informativa y <strong>no sustituye la evaluaci\u00f3n<\/strong> de un m\u00e9dico o nutricionista. Ante dudas sobre tu hidrataci\u00f3n o tu consumo de cafe\u00edna, consulta con un profesional de la salud.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lo que ver\u00e1s \u2713 El experimento cient\u00edfico con agua pesada que midi\u00f3 la hidrataci\u00f3n real en bebedores de caf\u00e9. \u2713 La cantidad exacta de miligramos de cafe\u00edna que activa el efecto diur\u00e9tico de los ri\u00f1ones. \u2713 A los cu\u00e1ntos d\u00edas el cuerpo se adapta a la cafe\u00edna anulando casi por completo la p\u00e9rdida de l\u00edquido. [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":6493,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[8766],"tags":[18088,10048,10082,11438,17431,14284,17582],"class_list":["post-6199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nutricion","tag-agua-2","tag-cafe","tag-cafeina","tag-diuretico","tag-hidratacion","tag-mitos","tag-te"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00bfEl caf\u00e9 y el t\u00e9 cuentan como agua? Lo que responden los dietistas - Tua Saude<\/title>\n<meta name=\"description\" content=\"\u00bfEl caf\u00e9 deshidrata? El estudio que midi\u00f3 el agua corporal total dice que no: caf\u00e9 y t\u00e9 cuentan para tu hidrataci\u00f3n diaria. Conoce qu\u00e9 responde la ciencia y cu\u00e1ndo vigilar.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tuasaude.com\/es\/news\/2026\/07\/18\/el-cafe-y-el-te-cuentan-como-agua-lo-que-responden-los-dietistas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfEl caf\u00e9 y el t\u00e9 cuentan como agua? Lo que responden los dietistas - Tua Saude\" \/>\n<meta property=\"og:description\" content=\"\u00bfEl caf\u00e9 deshidrata? El estudio que midi\u00f3 el agua corporal total dice que no: caf\u00e9 y t\u00e9 cuentan para tu hidrataci\u00f3n diaria. Conoce qu\u00e9 responde la ciencia y cu\u00e1ndo vigilar.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tuasaude.com\/es\/news\/2026\/07\/18\/el-cafe-y-el-te-cuentan-como-agua-lo-que-responden-los-dietistas\/\" \/>\n<meta property=\"og:site_name\" content=\"Tua Saude\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-18T03:20:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tuasaude.com\/es\/news\/wp-content\/uploads\/2026\/07\/magnific_destacada-a-clear-glass-o_CHh6mlHEEy.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1344\" \/>\n\t<meta property=\"og:image:height\" content=\"752\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Jo\u00e3o Victor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jo\u00e3o Victor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u00bfEl caf\u00e9 y el t\u00e9 cuentan como agua? 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