Marijuana

Smoking marijuana has been linked with heart problems, but a surprising new finding suggests the drug may have benefits for people with heart failure.

If the report's hypothesis is true, the case would mark the first time a person has died from a marijuana overdose. But the findings are far from definitive.

A new study finds cannabidiol products frequently contain higher or lower doses of cannabidiol than what's listed on the label.

Medical marijuana may help with several health conditions, but it's certainly not a cure for cancer.

People who frequently use marijuana are likely to have sex more often, a new study suggests.

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.

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?

Many hope that marijuana will help their insomnia. A sleep psychologist examines the evidence.

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.