Bad Health Habits

Many people bite their fingernails as a nervous habit; but what about toenails? Find out if nibbling on your toenails can hinder your health.

Bill, 54, started smoking when he was 16 years old. The Doctors stage an intervention for Bill that includes emotional pleas from his family for him to kick the habit once and for all.

Bill, 54, started smoking when he was 16 years old. His 21-year-old daughter, Ally, asked The Doctors to help her father quit the habit.

Dr. Richard Hurt, director of the Mayo Clinic's Nicotine Dependence Center and a former smoker, explains why smoking is so addictive.

Bill, 54, started smoking when he was 16 years old. The Doctors stages an intervention for Bill, who watches a video made by his family called Life After Bill