Why Some Pot Smokers Face a Higher Risk of Drinking Problems

People who use alcohol and marijuana together may be at greater risk for alcohol-related problems, such as drunken driving and poorer health, than those who use only alcohol, a new study finds. In the study, researchers analyzed information from people in Washington state who were asked about their use of alcohol and marijuana over the past year, and whether they had ever experienced problems from their drinking. Of the more than 2,400 people who said they drank alcohol in the past year, 70 perc