It may look like weed, and it may be smoked like weed. But synthetic cannabinoids — a category of drugs, some of which are legal — can be far more dangerous than natural marijuana.
Marijuana is an age-old drug made from parts of the Cannabis plant. It contains the mind-altering chemical tetrahydrocannabinol, or THC. Several countries, and a number of U.S. states, have legalized the drug for medical or recreational purposes. Here's the latest news on marijuana, from how it affects the brain and body, to its potential medical benefits or harms, to possible impacts of legalization.
A NYPD officer recently said she failed a marijuana drug test because officials tested hair from a weave she wore. But how does marijuana get into hair, and how long does it stay there?
Marijuana with relatively high levels of a compound called cannabidiol may be less risky to smoke over the long term, because this ingredient may counteract some of the drug's harmful effects.
Marijuana's popularity among American adults is on the rise — and use of the recreational drug is expected to continue to increase, according to several surveys.
Smoking pot is often considered safer than smoking cigarettes, but a new study suggests that marijuana use may increase a person's risk of death from high blood pressure.
The federal government outlaws marijuana, but many states are legalizing it. Coupled with the growing number of cannabis-related patents, the potential for court battles is dizzying.
Officials in Canada are releasing guidelines for how people can lower the health risks associated with using marijuana
Rolling back protections from federal interference in state legalization laws could worsen the opioid overdose crisis.
People who experience the unpleasant and often painful sensations of restless legs syndrome (RLS) may find relief in using the marijuana compound cannabidiol, a very small new study suggests.
Medical marijuana is legal in some states, but debate rages on about whether the health benefits outweigh the risks.
Marijuana produces a range of psychological and physical effects that can be unpredictable at times.
Women with menstrual cramps in New York State may soon have a new option for easing their monthly pains: medical marijuana.
Alcohol and marijuana may be the most commonly used recreational drugs in the world, but magic mushrooms appear to be the safest, a new survey finds.
Cannabis, or marijuana, is one of the oldest psychoactive substances. It is often smoked, brewed or eaten for its medicinal and recreational effects.