Aerobic exercise can increase women’s bone density, and it need not be a high-impact regimen to work, new research shows. In fact, experts’ recommendations for general health–walking for about 30 minutes a day, a few days a week–is enough to lend the bones a hand, George A. Kelley, of the Massachusetts General Hospital Institute of Health Professions in Boston, told Reuters Health. In a review of 24 studies on aerobic exercise and bone mineral density in women, Kelley’s team found that, on average, regular exercisers saw about a 2% bone mass gain over non-exercisers. Whether the modest gain translates into a lower risk of the bone-thinning disease osteoporosis […]