Health

Regular marijuana use bad for teens' brains

Frequent marijuana use can have a significant negative effect on the brains of teenagers and young adults, including cognitive decline, poor attention and memory, and decreased IQ, according to psychologists discussing public ...

Health

Marijuana may lead non-smokers to cigarettes

While cigarette smoking has long been on the decline, marijuana use is on the rise and, disproportionately, marijuana users also smoke cigarettes. A new study by researchers at Columbia University's Mailman School of Public ...

Health

Cannabis can relieve pain, but carries risks: US report

Marijuana and cannabis can help to safely alleviate pain for some patients but many uncertainties remain about their health and safety risks, according to a major scientific review published Thursday.

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