Addiction

Teens increasingly choose pot over alcohol, cigarettes

The "gateway pattern" of adolescent substance use is changing, and marijuana is increasingly the first substance in the sequence of adolescent drug use, according researchers at the Columbia University Mailman School of Public ...

Medications

Opioid use may affect treatment for alcohol dependence

New research indicates that opioid misuse and the use of cannabis and other drugs may compromise the effectiveness of treatments for alcohol use disorder. In an Alcoholism: Clinical and Experimental Research study, individuals ...

Health

Cannabis—what's the harm?

A researcher of the effects of cannabis says any law change to free up the drug's availability needs to take account of scientifically-robust data showing regular use in young people is associated with a higher risk of mental ...

Medical research

Scientists develop new tool to study nicotine receptors

A team of scientists has developed a new technique to better understand the effects of nicotine on the brain. In a study published in Nature Methods, the investigators described the creation of a novel light-activated nicotine ...

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