According to a new study examining 10 years of marathon and half-marathon races in the U.S., the risk of cardiac arrest in such long distance races is actually quite rare

Cage Fitness and other mixed martial arts-inspired workouts mimic the structure of a championship MMA bout -- minus the injury.

Despite the cold and many other potential hazards, naked from the ankle down is the way Anna Toombs likes it, and she gets plenty of catcalls in the street as a result.

Yoga has been a way of life for 91-year-old Bernice Bates since 1960. In a fitting tribute to her decades of helping others learn her passion, she recently won the distinction of the Guinness World Record holder of oldest yoga instructor.