You find a man who is 55 years old and another who is 45 years old, but in reality the health of the 55 year old is better and the reason is
Non-smoker
He sleeps early
He practices sports
Social
Healthy eating
There is a periodic examination every 4 months at the medical center
Stays away from stress and emotion
He does not interfere in what does not concern him, it is very important