Your body is about 60 percent water. The body constantly loses water throughout the day, mostly through urine and sweat but also from regular body functions like breathing. To prevent dehydration, you need to get plenty of water from drink and food every day. There are many different opinions on just how much water you should be drinking every day.
Many people claim that if you don’t stay hydrated throughout the day, your energy levels and brain function start to suffer. There are plenty of studies to support this. One study in women showed that a fluid loss of 1.36 percent after exercise impaired mood and concentration and increased the frequency of headaches.
There are many claims that drinking more water may reduce body weight by increasing your metabolism. According to a study, drinking more water than usual correlated to a decrease in body weight and body composition scores. Studies found that chronic dehydration was associated with obesity, diabetes, cancer, and cardiovascular disease