Two liters of water a day, that's the minimum. Recommends the World Health Organization WHO . But at least of us create this drinking stint. And if so, is it really worth it to run to the bathroom every half hour? Absolute. Because you drink too little, then you risk a lot: Serious health problems. The more water you drink, the less likely you are to suffer from urinary or colon cancer. Also, the risk of kidney stones or a heart attack is significantly reduced according to the US Department of Health. Worse metabolism. In several independent studies it has been proven that the number of calories burned at rest increases significantly when you drink enough. Reduced concentration. In 2011, scientists at the Institute of Psychiatry in London investigated the effects of dehydration on the thinking of adolescents. For this, the subjects were divided into two groups. One test group had sufficient, the other too little drunk. While the "drinker" was able to solve a complex problem relatively quickly and concentrated, the second experimental group not only needed to activate more brain regions, but also made it much harder for them to keep their attention. You eat more. This too has already been scientifically proven. In a test run by the US Institute of Health and Research , the researchers found that people who drink two glasses of water before a meal automatically consume 75 to 90 calories less on average than those who did not drink.

Drinking water makes you slim! Your skin aging is accelerating. Your skin also benefits from sufficient drinking. Water cushions the skin, fills in fine lines and wrinkles and revives a dull complexion. You are in a bad mood. For this research, researchers asked different women's and men's teams for a 60-minute workout. Some test groups received too little in the run-up to the training session and the others had enough fluid. Although sport boosts the happiness hormones, the dehydrated subjects felt tired, confused, angry, tense and depressed after the sports session.