{"id":41,"date":"2026-08-05T16:56:45","date_gmt":"2026-08-05T19:56:45","guid":{"rendered":"https:\/\/rosav.com.br\/portal\/o-perigo-de-beber-agua-demais-hiponatremia-explicada-em-3-minutos\/"},"modified":"2026-08-05T16:56:45","modified_gmt":"2026-08-05T19:56:45","slug":"o-perigo-de-beber-agua-demais-hiponatremia-explicada-em-3-minutos","status":"publish","type":"post","link":"https:\/\/rosav.com.br\/portal\/o-perigo-de-beber-agua-demais-hiponatremia-explicada-em-3-minutos\/","title":{"rendered":"O perigo de beber \u00e1gua demais: hiponatremia explicada em 3 minutos"},"content":{"rendered":"<p><strong>Beber s\u00f3 \u00e1gua pura, em excesso, pode ser perigoso em prova longa: \u00e9 a hiponatremia, a queda cr\u00edtica do s\u00f3dio no sangue.<\/strong> Parece contradit\u00f3rio, o atleta se hidratando direitinho e passando mal, mas a ci\u00eancia \u00e9 clara, e a preven\u00e7\u00e3o \u00e9 simples.<\/p>\n<h2>O que \u00e9 a hiponatremia dilucional<\/h2>\n<p>Consumir apenas \u00e1gua pura em grande volume dilui a concentra\u00e7\u00e3o de s\u00f3dio no sangue. Por osmose, a \u00e1gua migra pra dentro das c\u00e9lulas, provocando <strong>incha\u00e7o celular<\/strong>, com sintomas que v\u00e3o de n\u00e1usea e confus\u00e3o mental a quadros graves. \u00c9 o perigo oculto das provas de longa dura\u00e7\u00e3o: quanto mais disciplinado o atleta \u00e9 em &#8220;beber bastante \u00e1gua&#8221;, maior o risco se n\u00e3o houver reposi\u00e7\u00e3o de eletr\u00f3litos.<\/p>\n<h2>Como se proteger<\/h2>\n<ul>\n<li><strong>Reponha eletr\u00f3litos, n\u00e3o s\u00f3 \u00e1gua:<\/strong> c\u00e1psulas de sal e repositores s\u00e3o obrigat\u00f3rios em prova de endurance.<\/li>\n<li><strong>Alterne \u00e1gua e bebida esportiva<\/strong> ao longo do percurso, em goles regulares, n\u00e3o em volumes grandes de uma vez.<\/li>\n<li><strong>Treine a hidrata\u00e7\u00e3o no treino:<\/strong> o dia da prova nunca \u00e9 o dia de testar estrat\u00e9gia nova.<\/li>\n<\/ul>\n<h2>O sinal de alerta<\/h2>\n<p>Incha\u00e7o nas m\u00e3os e dedos, n\u00e1usea e dor de cabe\u00e7a durante prova longa, mesmo bebendo muita \u00e1gua, s\u00e3o sinais cl\u00e1ssicos. Na d\u00favida, procure o posto m\u00e9dico da prova: hiponatremia se trata, mas n\u00e3o se ignora.<\/p>\n<p><em>Este \u00e9 o artigo 9 da s\u00e9rie Curiosidades do Triathlon. Acompanhe o Portal dos Esportes Rosa V.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hiponatremia \u00e9 a queda do s\u00f3dio no sangue por excesso de \u00e1gua pura em prova longa. Entenda o mecanismo, os sinais de alerta e como repor eletr\u00f3litos do jeito certo.<\/p>\n","protected":false},"author":2,"featured_media":40,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-41","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-treino-saude"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O perigo de beber \u00e1gua demais: hiponatremia explicada em 3 minutos - Portal dos Esportes Rosa V<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rosav.com.br\/portal\/o-perigo-de-beber-agua-demais-hiponatremia-explicada-em-3-minutos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O perigo de beber \u00e1gua demais: hiponatremia explicada em 3 minutos - Portal dos Esportes Rosa V\" \/>\n<meta property=\"og:description\" content=\"Hiponatremia \u00e9 a queda do s\u00f3dio no sangue por excesso de \u00e1gua pura em prova longa. 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