Could a grin on your face be your ticker’s saving grace?  In a new study at Penn State University, scientists looked at more than 1,000 people with coronary heart disease over a 5-year period. Patients who reported having higher levels of positive emotions like determination, excitement, and enthusiasm were more likely to exercise, sleep better, and avoid smoking.  Not surprisingly, those three measures can all reduce your risk of heart disease, according to previous research.

Source: New Study Shows Why It’s Massively Important to Have a Good Attitude