Here is a list of the known reasons for aging, combining 12 of the best-supported with 6 additional emerging factors that are under investigation (and what you can do about each):
Are these 18 things all that's killing you?
Are these 18 things all that's killing you?
Are these 18 things all that's killing you?
Here is a list of the known reasons for aging, combining 12 of the best-supported with 6 additional emerging factors that are under investigation (and what you can do about each):