Psychology is the scientific discipline of the mind, brain and behavior. Some individuals pursue graduate study in psychology because they are interested in contributing new knowledge to the discipline â such as answering questions about how the brain works.
Drinking an adequate amount of water daily is important for overall good health because water aids in digestion, circulation, absorption and even excretion.
10 Reasons to Drink Water. 1  Water is absolutely essential to the human bodys survival. A person can live for about a month without food, but only about a week without water. 2  Water helps to maintain healthy body weight by increasing metabolism and regulating appetite. 3  Water leads to increased energy levels.