GQ—October 1, 2014
You know all those aches and pains that men gripe about when they’re older? They didn’t start when the guys were 50- and they’re not inevitable.
By their mid-twenties, our caveman brethren were ready to retire into advancing decrepitude and an ugly end: Life expectancy was around 30. Now American men can expect to notch, on average, 77 years, but our bodies are still programmed to close up shop early. "You start to lose strength in your twenties," says Manhattan sports doctor Jordan Metzl.