Tony Horton, creator of home workout P90X, was diagnosed with a rare neurological disorder. Now, he is fitter than ever at 66, thanks to his new diet and workouts.

Beachbody trainer Tony Horton amps up the Muscle Confusion with brand-new moves and never-before-seen workouts all set to hot music created exclusively for P90X Plus by Jason Scheff, lead singer ...

Beachbody trainer Tony Horton amps up the Muscle Confusion with brand-new moves and never-before-seen workouts all set to hot music created exclusively for P90X Plus by Jason Scheff, lead singer ...

P90X trainer Tony Horton is in the best shape of his life at 66. Here are his top longevity tips.

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.