Biological Health
Physical health, like each aspect of health, is on a continuum—in other words, nobody’s ever absolutely healthy and nobody’s ever absolutely unhealthy. One’s relative level of physical healthiness is always interrelated with other aspects of health—psychological, sociological, and spiritual. For example, some people, such as models or actors/actresses, who seem to be the “healthiest” (i.e. buff, skinny, tanned, muscular, or whatever words might come to mind) may be unhealthy in other aspects of their lives, so when everything is considered, their overall “health” is far less than they may have thought.
When you consider biological health alone, certain components are immediately evident, including (we know this is not an exhaustive list, but it is quite inclusive):