There’s been a new breakthrough in the development of a marijuana breathalyzer, with a study partly funded by the Justice ...

A research team at Virginia Commonwealth University has introduced a prototype for a THC breathalyzer that could bring roadside marijuana testing closer to practical use. The proposed breathalyzer is ...

New research suggests heavy marijuana smoking may raise the risk of lung cancer risk, as well as head and neck cancer.

A marijuana breathalyzer is one step closer to coming to market - Researchers set out to develop a THC breathalyzer that ...

While marijuana is becoming legal in some parts of the country, new research points out dangers, including just how addictive it can be for teens, and why it's more potent than ever before. This study ...

One is a Cochrane review, published in January, that examined the literature on THC efficacy in treating chronic pain — ...

It was less than a year ago when the mainstream media was chock-full of headlines like this one: “Brain changes associated with casual marijuana use in young adults, study finds.” The alarmist ...

LOS ANGELES - A recent study found that medical marijuana fails to improve symptoms of pain, anxiety and depression and effectively doubles the risk of developing addictive symptoms and cannabis use ...

Marijuana sales are increasing as purchases of alcohol are declining, according to a new federal report from the Canadian ...

Marijuana may bring on temporary paranoia and other psychosis-related effects in individuals at high risk of developing a psychotic disorder, finds a preliminary study from researchers at Columbia ...

A California study has determined the presence of nearby medical marijuana dispensaries does not affect the rate of cannabis use by adolescents. Published in the July issue of the Journal of ...

The problem with recent medicinal marijuana legislation is that it's not based on actual research. States are deciding certain diseases can be treated with pot, but because the federal government has ...