Don't forget strength training, involving both the upper and lower body. Too many people neglect resistance exercise, particularly women for whom it's crucial for preventing muscle and bone loss with age. Lift weights for at least 20 minutes, two- to three-times per week.
-Dr. JoAnn Manson, chief of the division of preventive medicine at Brigham and Women's Hospital and professor of Medicine at Harvard Medical School
(Matthew J. Lee/Globe Staff)