Heart rate variability (HRV) is one of the five new "vital signs" - strong predictors of vitality and longevity. Here are four tips to give your HRV a boost.
Science keeps demonstrating the health risks of a sedentary lifestyle. Add to the list of negative effects the shrinking of a key brain region involved with memory.
Scientists are now studying how the biomechanics of your gait changes as you age. Awareness of basic movement patterns can help you maintain speed - and health - at any age.