A University of Washington study of adult smokers finds that those who switch to vaping some or all of the time may adopt other healthy behaviors.


A University of Washington study of adult smokers finds that those who switch to vaping some or all of the time may adopt other healthy behaviors.

A longitudinal study of more than 230 teens and young adults in Washington state finds that teens may be more likely to use marijuana following legalization – with the proliferation of stores and increasing adult use of the drug — than they otherwise would have been.

New research from a decades-long study by the University of Washington and the University of Colorado shows long-term benefits from a program to prevent problem behaviors in children.

A new study by the University of Washington’s Social Development Research Group shows how a parent’s use of marijuana, past or present, can influence their child’s substance use and well-being.

Adults who smoke marijuana often cut back after becoming parents — but they don’t necessarily quit. The influence of a significant other and positive attitudes toward the drug overall, in addition to the onset of parenthood, also are factors in whether someone uses marijuana. It’s a changing landscape for marijuana use, as laws ease and cultural acceptance grows — in Washington state and elsewhere around the country. Against that backdrop, the study by the University of Washington’s Social Development…