World Health Organization (WHO) defines health as "a state of complete physical, mental and social, not merely the absence of disease or infirmity" in 1948. Health is a positive concept emphasizing social and personal resources as well as physical capacities. "There is also a term known as mental health and describes a level of cognitive or emotional wellbeing or an absence of mental disorder.
WHO, mental health is "a state of well-being when the individual recognizes his own abilities, can cope with normal stresses of life, can work productively and fruitfully and is able to contribute to his community. "But despite the official definitions, the concept of mental health, and if a person is" mentally well "is a subjective assessment.