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More than half of our body is water, but how much do we really need to drink?
Humans are constantly losing water, mostly via urine and sweat. In this article, some myths are going to be tackled down so we can finally understand how much water we need to drink not to be dehydrated and to benefit health.
Energy levels and brain functions
Plenty of studies support the idea that if you don’t hydrate enough, your energy is lower. Some of these studies show that mild dehydration (1–3% of body weight) caused by exercise or heat can harm many other aspects of brain function.
Drinking lots of water = losing weight?
According to two studies, drinking 17 ounces (500 ml) of water can temporarily boost metabolism by 24–30%. Drinking adequate amounts of water, especially before meals, can also reduce the number of calories you end up consuming, particularly in older individuals.
Water intake benefits health
Several health problems can be helped with good water intake, such as:
-Constipation, which is a very common problem
-Cancer, as some studies revealed that to drink more water can lower the risk of bladder and colorectal cancer
-Kidney stones, drinking lots of water may decrease the risk of kidney stones
-Acne and skin hydration: There are a lot of anecdotal reports about how water can help hydrate the skin and reduce acne. So far, no studies have confirmed or refuted this.
Trust Your Thirst
Maintaining water balance is essential for your survival. The body has its own system as with breathing, you don’t need to be conscious about it, it just happens, the same with water intake: thirst kicks in. Certain circumstances may call for increased water intake. The most important one may be during times of increased sweating. This includes exercise and hot weather, especially in a dry climate.
Furthermore, older people may need to consciously watch their water intake because the thirst mechanisms can start to malfunction in old age.