Lou Dobbs

Lou Dobbs means business when it comes to keeping fit

Fitness comes in all shapes, sizes and ages.

Lou Dobbs, 68, is the host of Fox Business Network's "Lou Dobbs Tonight," and he has sometimes struggled with his weight during a busy broadcasting career that has spanned more than four decades.

Before hitting the airwaves, Dobbs was a football-playing farm boy who never had to worry about his weight because he was always on the move. But later, career demands derailed both his exercise regimen and his diet. With the help of his wife, he took control again.

Growing up, what kept you active?

I worked all the time in hayfields and bean fields and lifting sacks of potatoes from an early...