Handicap The term handicap derives from the medieval game Hand-in-cap, in which two players trade possessions, and a third, neutral person judges the difference of value between the possessions. The concept of a neutral

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There are many different causes of disability that often affect basic activities of daily living, such as eating, dressing, transferring, and maintaining personal hygiene; or advanced activities of daily living such as shopping, food preparation, driving, or working.

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Invisible disabilities, also known as Hidden Disabilities or Non-visible Disabilities (NVD), are disabilities that are not immediately apparent. They are often chronic illnessesand conditions that significantly impair normal activities of daily living. Invisible

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People health conditions such as arthritis, bi-polar disorder, HIV, or multiple sclerosis have periods of wellness between episodes of illness. During the illness episodes people's ability to perform normal tasks, such as work, can be intermittent.

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People-first language
People-first language is one way to talk about disability which some people prefer. Using people-first

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The International Classification of Functioning, Disability and Health (ICF), produced by the World Health Organization, distinguishes between body functions (physiological or psychological, such as vision) and body structures (anatomical parts, such as the eye and

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Contemporary understandings of disability derive from concepts that arose during the scientific Enlightenment in the west; prior to the Enlightenment, physical differences were viewed through a different lens.
There is evidence of humans during prehistory that looked

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