If you’re regularly exposed to smog, the likelihood that you get admitted to hospital for a heart attack and other serious heart problems increases. These are the results of a preliminary Italian study, which also found that risk of hospital admission for acute coronary syndromes or heart rhythm disorders with increasing PM10 levels (tiny particulate air pollution known as smog) was higher for men and people over the age of 65. To keep your heart in top shape, try our 5 New Rules For A Healthy Heart.