Some people have a heart attack and die from heart disease before they ever know they have the condition, before they have a chance to be disabled. In addition, individuals can move in and out of some of these health states: Disability and functioning loss may be transitory, and people can return to full functioning and ability. Whether chronic diseases are absorbing states from which there is no return to the healthy population depends somewhat on the condition. We do not think of cures from heart disease, but we do speak of cured cancer after some number of years have passed. Additionally, there is a strong link between.
