Mandatory-minimum prison sentences for crack-cocaine would only kick in when defendants possess 28 grams or more of the drug under legislation passed last week by the U.S. House of Representatives.

Do you find yourself drinking more heavily when you are out with friends? There may be a gene for that.

The head of Colorado's medical-marijuana enforcement effort promises a comprehensive plan that other states could adopt as a model.

The state of Washington plans to impose tough new rules on doctors who want to prescribe opiate painkillers to patients, including mandatory third-party evaluation of patients who request higher doses of the drug but don’t show signs of improvement.

About 15 percent of people seeking recovery from alcoholism turn to clergy members for support, a University of Michigan study finds.