How happiness could lower your risk of stroke

Give yourself a pep talk: You'll feel better and it might lower your stroke risk, says a study in the American Heart Association's journal Stroke.

Researchers asked 6,000 adults over 50 to rate their outlook and found that those who were more optimistic were significantly less likely to have strokes. One reason? Positive thinkers are more likely to make healthy choices, such as exercising, eating well, and taking vitamins.

Now that's something to be happy about!