The San Francisco Chronicle had a good article yesterday on the anti-aging effects of exercise. Regular exercise helps shed extra pounds and reduce heart disease, diabetes and hypertension.

But the new evidence is that it also helps keep us younger on a cellular level. There's something called telomeres on some of our cells and these telomeres shorten as we get older. But people who exercise have longer telomeres and are biologically as much as nine years 'younger'.

See about the benefits of exercise for anti-aging.The jogging photo above is by DISCOSTU.