Reuters

Traces of Marijuana Found in Trayvon Martin’s Body: Does It Matter?

News that the Florida teen's autopsy revealed trace amounts of THC shouldn't be misinterpreted to equate marijuana use with violence.

Are Medical Marijuana Raids the Price We Must Pay for National Health Care?

The legal precedent that allows federal raids on state-permitted medical marijuana providers may be the key ruling that will enable President Obama’s health care plan to survive the Supreme Court.

Blacks, Bias and Marijuana: Did Drug Stigma Contribute to Trayvon Martin’s Death?

Reuters

A news report claims that the 17-year-old Florida boy’s killer thought he looked looked “drugged out and suspicious.” Why enduring stigma of drug use in this country is becoming increasingly deadly.

Stoned Driving Nearly Doubles the Risk of a Fatal Crash

Getty Images

People who drive within three hours of smoking marijuana are at nearly twice the risk of being in an accident that leads to serious injury or death, compared with sober drivers, according to a new review of the research.

Study: Smoking Marijuana Not Linked with Lung Damage

Russell Burden / Getty Images

Marijuana smokers performed better on tests of lung function compared to nonsmokers and cigarette smokers

Marijuana May Both Trigger and Suppress Psychosis

Getty Images

Researchers uncover connections between marijuana and the psychoses of schizophrenia

Could Medical Marijuana Reduce Patients’ Need for Opioid Painkillers?

Kevork Djansezian / Getty Images

A small, new study backs a long-standing claim of advocates of medical marijuana: pain patients can safely use cannabis while taking opioid painkillers, and may actually need fewer pills because of it.

Why Kids With High IQs Are More Likely to Take Drugs

Getty Images

People with high IQs are more likely to smoke marijuana and take other illegal drugs, compared with those who score lower on intelligence tests, according to a new study from the U.K.

Study: Legal Medical Marijuana Doesn’t Encourage Kids to Smoke More Pot

Getty Images

Despite warnings from opponents of medical marijuana, legalizing the drug for medical purposes does not encourage teens to smoke more pot, according to new research that compared rates of marijuana use in Massachusetts and Rhode Island after the latter state changed its laws.

More Evidence That Marijuana-Like Drugs May Help Prevent PTSD

Getty Images

Could a marijuana-based medicine potentially prevent the symptoms of post-traumatic stress disorder (PTSD)? If the findings of a new study in rodents hold up, they may offer a new avenue for treatment of an illness that affects at least 7% of Americans during their lifetimes.