The health is the most precious thing in the life for the people very earlier in the olden times when there is no sort of scientific technology is in existence which could make their life easier and help them in living their own life very well without having any sort of problem in it. At that very time the people have to do all of their work by their own and because of it the people of that time lives for a longer time.
As the people does all sort of work by themselves only with the help of those sort of objects which are available at that time although helpful things are available but for doing work with them doing labor is necessary as these are not the mechanical ones like as of today which runs on fuel or electricity, because of doing labor the people of olden times have good health and because of having good health they live for a long time.
Having good health is not the only way for living a long life keeping the health of self well maintained is also necessary for the purpose of living for a long time. So, those people who are in want of living a long life should start doing hard lard labor in their day to day life through any way and after attaining good health they should maintain it as well.