For years, the relationship between cannabis smoking and lung cancer has been described as unclear or conflicting. Now, a ...

The effects of cannabis on the hormonal system and male fertility remain controversial within the scientific community. A ...

Benjamin Han, a geriatrician and addiction medicine specialist at the University of California-San Diego, tells his students a cautionary tale about a 76-year-old patient who, like many older people, ...

Proponents say the drug can help with sleep and pain, but there’s little research surrounding potential long-term effects of ...

Scientists from the Keck School of Medicine at USC say growing evidence suggests that heavy marijuana smoking may increase the risk of lung cancer and several other cancers affecting the head and neck ...

Cannabis use among older adults is rising fast, but today’s marijuana is far more potent than many people realize — and experts warn the risks may be underestimated. Stanford Medicine specialists say ...

Marijuana use might lead to a greater risk of heart attack and stroke. Researchers gathered their data from multiple scientific studies authored over several years. The authors of the study found that ...

Trump administration eases federal restrictions on medical marijuana, expanding research and tax relief without legalizing it nationwide.

Adults with cannabis dependence had increased risks of bladder, kidney, and prostate cancer. Cannabis abuse or dependence is associated with increased risks of bladder, kidney, and prostate cancer, a ...