A major analysis of data from 24 studies involving more than 200 million people finds those who used marijuana had significantly higher odds of acute coronary syndrome, stroke and death from heart disease.

More Americans 65 and older are using marijuana for chronic conditions like heart issues, diabetes, high blood pressure and cancer, according to a new study.

Two new studies find active pot users are significantly more likely to experience a heart attack compared to nonusers, even if they’re young and have healthy blood pressure, cholesterol and blood sugar levels.

A new study finds children exposed to cannabis in the womb have more problems with thinking, paying attention and impulse control.

A large, new study finds pot use during adolescence is associated with worse academic performance.

A new study out of Duke University finds many patients with chronic pain are co-using pot and tobacco, and the combination may actually amplify pain in the long run.

In a new study, pregnant women who used cannabis faced greater odds of gestational hypertension, preeclampsia and other complications.