John Cena's new health goal is to keep working out 'into my late 80s or 90s'

John Cena has always focused on fitness, but now he's got his eye on the future.

The pro wrestler-turned-actor, 47, has built a career on his muscular physique, and in a new interview he says he plans to make working out a part of his twilight years.

"When I was a young 12-year-old, it was to look muscular so I couldn't get beat up," he explained to People. "And then as a late teen, it was to be strong so I could play sports. And then as a young 20-something, I wanted to aesthetically...