Healthis the level of functional ormetabolicefficiency of a livingorganism. Inhumansit is the ability of individuals or communities to adapt and self-manage when facing physical, mental or social challenges.TheWorld Health Organization(WHO) defined health in its broader sense in its 1948 constitution as "a state of complete physical, mental, and socialwell-beingand not merely the absence of disease or infirmity. 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". Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction.Classification systems such as theWHO Family of International Classifications, including theInternational Classification of Functioning, Disability and Health(ICF) and theInternational Classification of Diseases(ICD), are commonly used to define and measure the components of health.
Gender is the range of characteristics pertaining to, and differentiating between and from masculinity and femininity. Depending on the context, these characteristics may include biological sex (i.e. the state of being male, female or intersex), sex-based social structures (including gender roles and other social roles), or gender identity.