A group of young Republicans are devoted followers of Tony Horton's P90X workout routines. Kelsey Hubbard talks to the celebrity fitness trainer about his workout regimen and putting congressman ...

weight training is better for your overall fitness. Here's what they said. Experts weigh in on a popular fitness question: Should you do yoga before or after a workout? Here's what you need to know.

Tony Horton's workout programs are famously varied. The most renowned of these, P90X, includes a mix of all sorts of exercises. One day you are weight training, the next session might be yoga ...