As cannabis gets candy-coated and legalized, science warns that the risks to developing brains—before and after birth—are real, and no gummy bear can sugarcoat that.

"Cannabis use has been linked to an increased risk of cardiopulmonary disease and psychiatric conditions such as psychosis, anxiety, depression, and suicidal ideation," they wrote.

Researchers surveyed more than 7,600 teens across two studies: a longitudinal study to understand whether viewing cannabis or e-cigarette posts on TikTok, Instagram and YouTube relates to a teen's ...

Recent surveys show that the most commonly abused substances among young people in Rwanda are alcohol (including local brews), cannabis, inhalants such as glue, and, to a lesser extent, cocaine.

In 2023, 6.8% of people aged 12 and over and approximately 30% cannabis users, met the criteria for cannabis use disorder. Does THC cause psychotic episodes?

Cannabis use was associated with a 29% increased risk of acute coronary syndrome (RR=1.29), a 20% increased risk of stroke (RR=1.20), and a more than doubled risk of cardiovascular death (RR=2.10).

June 6, 2008 — Long-term, heavy cannabis use has been linked with structural brain abnormalities, a new study shows. Investigators at the University of Melbourne, Australia, found the hippocampus and ...

Cannabis use does in fact raise the risk of major adverse cardiovascular events—acute coronary syndromes, stroke, and CV death—a new meta-analysis confirms, though many specifics related to the type ...

Daily cannabis use has tripled among U.S. adults 35 to 50, rising from 2.5% to 7.5% between 2008 and 2023, the editorial said.

Source Reference: Alshaikhsalama AM, et al "Long-term cannabis use and risk of postoperative proliferative vitreoretinopathy" JAMA Ophthalmol 2025; DOI: 10.1001/jamaophthalmol.2025.1851.