A large global study links cannabis use to a higher risk of heart attack, stroke and cardiovascular death, with concerns for younger and frequent users.

Brain specialist Dr. Daniel Amen warns that marijuana use in teens and young adults is linked to higher rates of mental issues as research on cannabis' health impact develops.

Sports, good grades, and good friends. High school seemed to be going just fine for her son. But the Massachusetts mom was missing his heavy use of high-potency cannabis. Sign up for our ...

Cannabis use directly increases the risk for psychosis in teens, new research suggests. A large prospective study of teens shows that "in adolescents, cannabis use is harmful" with respect to ...

Teens who see social media posts showing cannabis or e-cigarettes, including from friends and influencers, are more likely to later start using those substances or to report using them in the past ...

New study links marijuana use to increased risk of heart attack and stroke 04:11. With growing marijuana use across the country, studies have looked at the link between cannabis use and ...

A new study suggests that cannabis use may carry serious consequences for heart health, with some users facing significantly elevated risks of heart attacks, strokes, and even death. The research ...

In total, 118,650 individuals (0.9%) had an emergency department visit or hospital stay for CUD. During the study period, 10,583 (9.0%) of individuals with CUD developed schizophrenia compared ...

Cannabis use is linked to a doubling in the risk of dying from cardiovascular disease, with significantly heightened risks of having a stroke or acute coronary syndrome—sudden reduced or blocked ...

Cannabis use is linked to a doubling in the risk of dying from cardiovascular disease, with significantly heightened risks of having a stroke or acute coronary syndrome-sudden reduced or blocked ...

That was no accident. The teen, in an interview with 5 Investigates, said he started smoking cannabis flower with friends during the summer. But he began to switch to vape pens, devices that let ...

Cannabis use is linked to a doubling in the risk of dying from cardiovascular disease, with significantly heightened risks of having a stroke or acute coronary syndrome—sudden reduced or blocked ...