How Exercise Affects the Brain and Improves Memory

For years, doctors have recommended exercise as one of the best ways to keep our brains healthy as we age. Now new research finds that regular sustained exercise may be able to slow or even reverse the biological changes that cause dementia. What’s more, exercise may even be an effective treatment for those with Alzheimer’s disease and vascular dementia. The findings, presented this week at the Alzheimer’s Association International Conference in Washington, D.C., have important implications for an aging population …

Should Everyone Cut Salt Intake? Study Says No

A large international study questions the conventional advice that all people should cut their salt intake to the bone. Too much salt is bad, especially for those over 60 or those who already have high blood pressure, but too little salt may be just as bad, the scientists said. The findings are the latest in a decades-long controversy over whether health officials have gone too far in urging everyone to reduce the amount of salt in their diet. The new research suggests …