I think the answer to this question is headache. <span />
All equally important without physical health having social health might be harder since you might not be able to interact as well because of illness which would then affect mental. Without mental health your social and physical health would deteriorate and without social health your mental then physical health would deteriorate we need a balanced amount of all of these
Its too expensive or they feel they don't need it because they don't get sick or hurt or don't go to the doctor
True, we can cure things that we couldn't before. Even things like the common cold used to be deadly.
