More than half of internal medicine residents at Massachusetts General Hospital in Boston say they were not adequately trained in addiction and other substance use disorders, according to a new survey.

On Wednesday 23 attorneys general sent a letter to Urban Outfitters CEO and Chairman Richard A. Hayne, urging him to remove products promoting prescription drug abuse from the stores’ shelves.

A new campaign launched by the Centers for Disease Control and Prevention encourages smokers to talk with their physician about quitting. The “Talk With Your Doctor” campaign also provides materials for physicians to help their patients give up cigarettes.

Scientists at Johns Hopkins University have identified a compound that stopped mice addicted to cocaine from wanting the drug. The compound has been proven safe for humans and is undergoing further animal testing, in preparation for possible clinical trials for people addicted to cocaine.

The newly released update to psychiatry’s diagnostic manual combines problem drinking and alcoholism into a single condition known as “alcohol use disorder,” which some experts say could lead binge drinkers to be mislabeled as alcoholics.

A new report from the Centers for Disease Control and Prevention finds an increase in the percentage of adults who had five or more drinks in one day at least once in the past year. The prevalence of adult smoking remained unchanged in most age groups, but declined among young adults.

The average marijuana smoker in Colorado will pay about $650 for the drug next year, according to Time.com. The estimate is based on a study by researchers at Colorado State University, who wanted to determine how much the state will collect in marijuana-related tax revenue.

Some Minnesota physicians say they are sometimes unfairly blamed for patients’ prescription drug abuse, the Associated Press reports. At a Minnesota Medical Association forum, doctors said they feel caught between trying to help patients in pain and attempting to curb abuse.