No Sign Pot Smoking Triggers Irregular Heartbeat

If you have suffered a heart attack, getting high on pot won't harm your heart's regular rhythm, a new study suggests. Marijuana users who have suffered a heart attack had about the same risk as nonusers of a rapid and irregular rhythm in the lower chambers of the heart, known as the ventricles, the researchers found. "We found no difference in the two populations," said senior researcher Dr. Christine Tompkins, a cardiologist with the University…