Discuss Shedragon's answer to: Are you as healthy as you think?

i believe there are two ways. one is a feeling of psychological an physical well being. this is not to lean on. the other is a general medical check up. very thorough. and there is a theird kinda way. its in living helathy. nutrition and everything. including having good friends and family support. such things. plus the two above... none of the three ways is easy to achieve. i am talking about the humankind on the whole of planet,not just western rich societies...