Protect your memory and thinking skills

Keeping your blood sugar level in check may help ward off dementia.

Here's another reason to keep your blood sugar under control: increased levels of any kind are now linked to an increased risk of developing dementia. "For the first time, we have a convincing link between dementia and elevated blood sugars, even in the nondiabetic range," says Dr. David Nathan, a Harvard Medical School professor and the director of the Diabetes Center and Clinical Research Center at Massachusetts General Hospital.