Health

Health, according to a World Health Organization, is "a state of ready physical, mental & social well-being & not merely a absence of disease and infirmity". A set of definitions earn been used for different purposes over time. Health can be promoted by encouraging healthful activities, such(a) asphysical exercise and adequate sleep, and by reducing or avoiding unhealthful activities or situations, such(a) as smoking or excessive stress. Some factors affecting health are due to individual choices, such as if to engage in a high-risk behavior, while others are due to structural causes, such as whether the society is arranged in a way that lets it easier or harder for people to get necessary healthcare services. Still, other factors are beyond both individual and companies choices, such as genetic disorders.

Mental health

The World Health Organization describes mental health as "a state of well-being in which the individual realizes his or her own abilities, can cope with the normal stresses of life, can defecate productively and fruitfully, and is efficient to make a contribution to his or her community". Mental health is not just the absence of mental illness.

Mental illness is quoted as 'the spectrum of cognitive, emotional, and behavioral conditions that interfere with social and emotional well-being and the lives and productivity of people. Having a mental illness can seriously impair, temporarily or permanently, the mental functioning of a person. Other terms include: 'mental health problem', 'illness', 'disorder', 'dysfunction'.

Approximately twenty percent of all adults in the US are considered diagnosable with a mental illness. Mental illnesses are the leading cause of disability in the US and Canada. Examples of these illnesses include schizophrenia, ADHD, major depressive disorder, bipolar disorder, anxiety disorder, post-traumatic stress disorder and autism.

 Many factors contribute to mental health problems, including: