4 Bad Habits That Can Age You By 12 Years

40 is the new 30, not the new 28. According to this report on MSNBC, you should probably be mindful of:

- Smoking tobacco
- Not eating enough fruits and vegtables
- Drinking too much alcohol (men: more than 3 per day; women: more than 2)
- Getting less than two hours of physical activity per week