How much water should you drink a day

When we question our nutrition, we tend to ask how much protein we should be eating or what percentage of our diet should be made up of carbs and fats, but often we ignore the most vital nutrition question: how much water should I drink?

Considering that nearly two thirds of our bodies are made up of water, as well as the role hydration plays in digestion, in heart health, in temperature control and in making our brains perform at their best, we could all benefit from paying closer attention to H2O.

A study published in the Canadian Journal of Applied Physiology found dehydration that develops during exercise reduces aerobic performance and results in increased body temperature, heart rate and perceived exertion.

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Worryingly, you don't need to lose a lot of water to see a big drop in performance. Losing as little as 2 per cent of your bodyweight through dehydration is enough to impair performance, and a number of studies have shown that endurance athletes, like marathon runners, can lose up to 60% in performa

how much water do people drink daily

how much water should people drink everyday