Vegans look sick.
Forget that bullsh*t.
Agreed. Pale, frail and communist is no way to through life.
Lots of people use GH and testosterone as youthfullness hormones but they are more to increase the life in lifespan rather than the span.
Though hormones can enhance certain aspects of health while hurting others. So in certain people and situations they might extend lifespan.
From asocietal perspective everyone should work until retirement and then immediately drop dead without getting sick and draining resources.