WASHINGTON - Smoking marijuana can make teenagers mentally ill, even suicidal - at least that's the message behind a nationwide campaign announced Tuesday by the Bush administration. "Marijuana can be ...

Cannabis use poses cancer risks beyond just your lungs — including oral cancer and other cancers involving the mouth, voice ...

While use of drugs such as cocaine or methamphetamine has declined among U.S. teens, more adolescents are smoking marijuana, according to the results of an annual survey funded by the National ...

A study found higher rates of emphysema among marijuana smokers compared to tobacco smokers of the same age.

† (Hb) represents values corrected for hemoglobin. TLCO is mildly reduced although within normal limits when corrected for alveolar volume. Other lung volumes are normal. FER: Forced expiratory ratio; ...

Vaping marijuana is often touted as safer than smoking it. That's because vaporizers heat—but don't burn—herb, oil, or wax forms of marijuana inhaled through the device. However, vaping marijuana ...

There's a new study out suggesting that more pregnant women appear to be using marijuana, sometimes to soothe anxiety and morning sickness. The study, published Tuesday in the Journal of the American ...

WASHINGTON, D.C. (WPVI) -- College students are now smoking more marijuana than cigarettes. This is the first time pot use has surpassed tobacco use. The study, released on Tuesday, showed that the ...