Because they need to know what’s wrong with the human being or object to determine sicknesses symptoms and changes
Which of what? I need the choices.
Watching endless hours of TV.
Withdrawing from friends or partners or, conversely jumping into a frenzied social life to avoid facing problems.
Overeating or weight gain.
Undereating or weight loss.
Sleeping too much.
Drinking too much alcohol.
Lashing out at others in emotionally or physically violent outbursts.