Dr. Rena Malik<\/a>, in a widely viewed explainer video for Men\u2019s Health, breaks down the misunderstanding. \u201cTwenty percent of our fluids come from our food,\u201d she explains. \u201cYou need to be having some form of fluids in that volume a day.\u201d<\/p>\nIn short, the human body pulls water from many sources\u2014not just from what\u2019s poured into a bottle. Hydration is more about total fluid balance than hitting a daily minimum of pure water.<\/p>\n
Overhydration Is Not Harmless<\/p>\n
A less discussed\u2014yet serious\u2014issue is overhydration. While under-drinking is a common concern, drinking too much water, especially in a short time, can be dangerous.<\/p>\n
Dr. Malik warns that excess fluid can dilute sodium levels in the bloodstream, leading to hyponatremia. \u201cSometimes if you drink too much, it can lower the salt in your body too much and cause something called hyponatremia, which can make you very sick,\u201d she says.<\/p>\n
![\"Sad,young,woman,with,tear](\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/11\/Hydration-is-not-about-reaching-a-magic-number.-Its-about-maintaining-balance\u2014across-inputs-outputs-.webp\")
Hydration is not about reaching a magic number. It\u2019s about maintaining balance\u2014across inputs, outputs, and individual variables. Credit: Shutterstock<\/p>\n
This condition, though rare, is well-documented among endurance athletes, military trainees, and individuals aggressively hydrating without understanding their electrolyte needs. It can cause symptoms such as nausea, headache, confusion, and in severe cases, seizures or coma.<\/p>\n
Still, hydration advice often focuses only on increasing water intake, without addressing variables like body weight, sodium loss, or urinary output\u2014all of which impact fluid balance. There\u2019s growing concern among health professionals that blanket recommendations to \u201cdrink more water\u201d may be causing more confusion than clarity.<\/p>\n
Your Hydration Comes From More Than Water<\/p>\n
One major misconception about hydration is that it\u2019s strictly about what you drink. But what you eat plays a larger role than most people realize. Fruits, vegetables, soups, and yogurt are all high in water content and significantly contribute to total hydration.<\/p>\n
In fact, individuals on diets rich in whole, fresh foods may need fewer beverages than those eating mostly dry or processed foods. The body efficiently extracts moisture from food sources, reducing the need for additional water\u2014especially in sedentary conditions.<\/p>\n
This is why fixed water quotas are largely arbitrary. A 90 kg athlete training outdoors in summer has vastly different fluid needs than a 60 kg office worker eating high-water-content meals indoors.<\/p>\n
Dr. Malik notes another overlooked insight: concentrated urine can irritate the bladder, causing frequent urges to urinate. \u201cDrinking too little water makes your urine very concentrated. That concentrated urine can actually act like a bladder irritant,\u201d she explains. Paradoxically, some people may experience more urgency when they drink too little, not more.<\/p>\n
Signs Your Body Already Knows What It Needs<\/p>\n
Rather than obsess over numbers, health professionals suggest paying attention to physiological cues. Urine color is widely considered the most reliable hydration indicator: light yellow is optimal, while dark amber may suggest dehydration.<\/p>\n
Thirst, too, remains a useful\u2014if slightly delayed\u2014signal. Malik emphasizes that the body doesn\u2019t typically register thirst until it has already lost about 2 percent of its water content. That might sound minimal, but even mild dehydration can affect concentration, mood, and physical performance.<\/p>\n
Still, this delay doesn\u2019t mean you need to chug water at all hours. The body is well equipped with internal regulatory systems that manage hydration through hormonal and neurological signals. Instead of chasing external targets, many experts encourage tuning in\u2014not just topping up.<\/p>\n
People with specific health concerns, like urinary tract infections or kidney stones, may need different hydration goals. But for most healthy adults, the message is simple: drink consistently, eat water-rich foods, and listen to what your body\u2019s telling you.<\/p>\n","protected":false},"excerpt":{"rendered":"Few health recommendations have achieved the ubiquity of the \u201ceight-glasses-a-day\u201d rule. It\u2019s simple, memorable, and sounds reasonable. But…\n","protected":false},"author":2,"featured_media":288037,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[102,6636,56,54,55],"class_list":{"0":"post-288036","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-nutrition","8":"tag-health","9":"tag-nutrition","10":"tag-uk","11":"tag-united-kingdom","12":"tag-unitedkingdom"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/288036","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/comments?post=288036"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/288036\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media\/288037"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media?parent=288036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/categories?post=288036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/tags?post=288036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"Drinking](\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2025\/11\/Drinking-water-from-the-well-left-by-Sunan-Ampel-is-believed-to-be-able-to-cure-all-kinds-of-disease.webp\")
Drinking water from the well left by Sunan Ampel is believed to be able to cure all kinds of diseases among the people. Credit: Shutterstock<\/p>\n