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.
Hydration: Why Itâs So Important. Your body depends on water to survive. Every cell, tissue, and organ in your body needs water to work properly. For example, your body uses water to maintain its temperature, remove waste, and lubricate your joints. Water is needed for overall good health.