Slash your stroke risk by 72%

Fun in the sun beckons! But heat can raise the risk of an ischemic stroke, the most common type of stroke, which blocks blood flow in the brain. Scientists in Israel found a link between higher ambient temperatures and stroke. Warmer weather and humidity swings affect the autonomic nervous system, which helps regulate heart rate and blood pressure. To curb your risk, just...

- Jennifer Bringle

✓ Chew gum

When bacteria from the mouth enter the bloodstream, they can cause blood-vessel inflammation. But keeping your gums healthy cuts stroke risk by up to 50%, Canadian research suggests. Try chewing xylitol-sweetened gum after eating, which Dutch scientists say removes 100 million gum disease-causing bacteria. Also smart: flossing before brushing, which removes 56% more bacteria.

✓ Water your garden