Health is the level of functional or
metabolic efficiency of a living organism. In
humans it is the ability of individuals or communities to adapt and self-manage when facing physical, mental or social challenges.
[1] The
World Health Organization (WHO) defined health in its broader sense in its 1948 constitution as "a state of complete physical, mental, and social
well-being and not merely the absence of disease or infirmity."
[2][3] This definition has been subject to controversy, in particular as lacking operational value and because of the problem created by use of the word "complete"
[4][5] Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction.
[6][7] Classification systems such as the
WHO Family of International Classifications, including the
International Classification of Functioning, Disability and Health (ICF) and the
International Classification of Diseases (ICD), are commonly used to define and measure the components of health. Health is that balanced condition of the living organism in which the integral, harmonious performance of the vital functions tends to the preservation of the organism and the normal development of the individual. Systematic activities to prevent or cure health problems and promote good health in humans are undertaken by
health care providers. Applications with regard to animal health are covered by the
veterinary sciences. The term "healthy" is also widely used in the context of many types of non-living organizations and their impacts for the benefit of humans, such as in the sense of
healthy communities,
healthy cities or
healthy environments. In addition to
health care interventions and a person's surroundings, a number of other factors are known to influence the health status of individuals, including their background, lifestyle, and economic, social conditions, and spirituality; these are referred to as "determinants of health." Studies have shown that high levels of stress can affect human health.
[8] 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 work productively and fruitfully, and is able to make a contribution to his or her community".
[25] Mental Health is not just the absence of mental illness.
Mental illness is described as 'the spectrum of cognitive, emotional, and behavioural 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'. (Hungerford et al. 2012). Roughly a quarter of all adults 18 and over in the US suffer from a diagnosable mental illness. Mental illnesses are the leading cause of disability in the US and Canada. Examples include,
schizophrenia,
ADHD,
major depressive disorder,
bipolar disorder,
anxiety disorder,
post-traumatic stress disorder and
autism.
[26] Many teens suffer from mental health issues in response to the pressures of society and social problems they encounter. Some of the key mental health issues seen in teens are:
depression,
eating disorders, and
drug abuse. There are many ways to prevent these health issues from occurring such as communicating well with a teen suffering from mental health issues. Mental health can be treated and be attentive to teens' behavior.
[27]
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