Tony Horton, best known for the P90X workout, says he's thriving at 66 after tweaking his routine. Horton was diagnosed with a rare illness in 2017 and has since followed a flexible plant-based diet.

Whether you’re pleased or peeved by Mitt Romney‘s pick for running mate, Wisconsin Rep. Paul Ryan, there’s no denying that the politician is a model of good health. A former personal trainer, Ryan, ...

DALLAS - Tony Horton - effusive, energetic, enthusiastic - bounds into a hotel ballroom on a recent Saturday morning and leaps onto the platform set up for him. The 300-plus people in the crowd cheer ...

The exercise program led by fitness guru Tony Horton, P90X, has taken Washington by storm. From Aaron Schock to Paul Ryan to Jeff Flake to Kevin McCarthy, politicians swear by the intense DVD workout.