Consuming excessive water during prolonged exertional efforts can lead to hyponatremia. — Whalespan
Consuming excessive water during prolonged exertional efforts can lead to hyponatremia.
⚠ High risk
The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
◐PARTIALLYSUPPORTED
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High-risk intervention — consult a physician before acting.Drug-drug interactions, dose-dependence, and screening contraindications apply.
“and when people are doing long exertional efforts, I'll talk at the end of this video about how to think about increasing your hydration while you're exercising, but when people are doing long exertional efforts and they're drinking lots of water, like in an Ironman or a marathon, you can push the sodium levels in your blood too low. This can be dangerous. It's a condition called hyponatremia.”
“if you just drink 10 glasses of water per day, you may be hydrated, but you could be over-hydrated. This is a condition in medicine that we call hyponatremia. You can drink too much water. It can be very dangerous for you”