“We think the hormones released as part of the body’s response to strength training lead to the improvement in memory,” says study author Lisa Weinberg. “Best of all, it doesn’t have to be a long workout—even a relatively short one had an effect.” Although this study tested participants who exercised only once, other research (including longterm intervention studies) suggest that more is better, so keep up your regular workouts to maximize results. —Diana Kelly
The Hidden Danger of Winter Weight Gain
Those few pounds you put on over the holidays might be
