Drug addicts may neglect brushing, flossing and dentist visits more than the average person. But with poor eating habits, addicts need to take extra care of their teeth and gums.

Many Americans may enjoy drinking on New Year's Eve, but they don't top the charts. In fact, the US is not even among the 25 "drunkest" countries in world alcohol consumption rates.

Excessive drinking has been linked to chronic pancreatitis, but only a fraction of alcoholics get the disease. A gene mutation can identify men who are at highest risk.

Damage from smoking can creep below our lungs. Our stomachs can hurt, the pain can spread into the colon, and the pain can stay even if we quit.

Many Americans battle chronic abdominal pain, which may be a symptom of serious conditions such as irritable bowel syndrome, colitis, or gallstones. However, experts are worried that doctors are over-prescribing opioid painkillers for the pain, especially if another medication is a better option.

A recent editorial in the Canadian Medical Association Journal  states that binge drinking is an excessively common practice in the United States.