unequal rich countries A<unk> <unk> is an impairment of the mind disrupting normal thinking, feeling, mood, behavior, or social interactions, and accompanied by significant distress or dysfunction. The<unk>  are very complex and vary depending on the particular<unk> and the individual. Although the causes of most<unk><unk>  are not fully understood, researchers have identified a variety of biological, psychological, and environmental factors that can contribute to the development or progression of<unk><unk> . Most<unk><unk>  result in a combination of several different factors rather than just a single factor.
Causes of mental disorders
Causes of cancer
Sex differences in medicine
Sex differences in psychology
Women's health
Drug therapy problems
Men's health
Controversies about psychiatry