A new study finds that people who do a variety of exercises live longer, even if they don’t work out more.

A massive 30-year study of 111,000 adults reveals that mixing different types of physical activity reduces mortality risk by ...

It’s easy for a workout groove to become a workout rut: Same old runs around the neighborhood, same old trips to the gym. Routine can even sap your get-up-and-go. But mixing up your training can be as ...