Also, the reason that men, statistically, have a higher risk of heart attack and so on, is because that;
a) men are more commonly found in high risk and high pay jobs (women in similar jobs now, as a result of equal rights movements, are showing similar statistics as men)
b) women "tend" to pay more attention to their diet and generally take better care of themselves
and things like that..
So, eat right, exercise, don't stress yourself, and T ain't gonna reduce your life expectancy.
It's not the Testosterone, it's the societal differences.