The human brain, the most complex organ in the body, controls the central nervous system (CNS) and regulates virtually all our activities, including involuntary, or “lower,” actions like heart rate, respiration, and digestion, and conscious, or “higher,” mental activity like thought, reason, and abstraction. 

Emotional quotient (EQ) is the ability to monitor and use emotions to guide thinking and actions. 

 If you are under the age of 25, your brain is a work in progress. As neuroimaging techniques such as positron emission tomography (PET) scans and functional magnetic resonance imaging (fMRIs) have revealed, the brain continues to develop throughout the first quarter century of life.

Problems involving the timing of sleep are called circadian rhythm disorders because they affect the basic circadian rhythm that influences many biological processes.

A growing body of scientific evidence indicates that spirituality cannot enhance health—and perhaps even extend life. 

An active state, characterized by rapid eye movement (REM), is called REM sleep (or dream sleep),

 According to the CDC, about 75% of young adults between age 18 and 24 get the recommended seven to nine hours of sleep. 

Predisposing factors include knowledge, attitudes, beliefs, values, and perceptions.

 By learning how to maintain your health, evaluate medical information, and spot early signs of a problem, you are more likely to get the best possible care.

College students who actively focus on healthy behaviors get better grades and are less likely to graduate.