oh, hell. yeah, don't smoke. I've never tried a single drag on a fag (no jokes please) or a sip of booze my entire life. Shit ain't good for ya.
Doing some extra cardio shoulde help. Also, make sure you get som omega-3 fatty acid pills and take 1-3 a day. It will help kep your heart healthy and help maintain a more healthy cholesterol level. And cheerios, lol kidding.