Dr. Grover Smith, a retired radiologist, is 86 and still going strong. He attributes this partly to training regularly in a ...

The main workout features three full-body circuits, each with five intervals, which you’ll complete twice. You’ll work for 40 ...

The science on whether to do cardio before or after weights is inconclusive -- it all depends on your goal: overall health, weight loss or muscle gain. Keep reading to find the best approach for you.