Marijuana is made from the shredded and dried parts of the cannabis plant, including the flowers, seeds, leaves, and stems. It’s also known as pot, weed, hash, and dozens of other names. While many ...

Marijuana is the most commonly used federally illegal drug in the U.S., according to the Centers for Disease Control and Prevention, with an estimated 48.2 million users nationwide in 2019. That ...

Marijuana poisonings rose sharply among people 65 years of age and older, after Canada legalized the drug according to a study published in JAMA Internal Medicine. In the study, 2,322 ED visits in ...

The proposed rescheduling of marijuana could have far-reaching implications in science, medicine and criminal justice. What ...

Within that group, 70.9% perceived little to no risk associated with marijuana use during pregnancy, even though it has been associated with low birth weight, premature birth and neurodevelopmental ...

In part one of what marijuana really does to your brain, we traced the discovery of the cannabinoid receptor. Finding the receptor is the first step in determining how smoking causes a high. The next ...

Synthetic marijuana is very different from tetrahydrocannabinol (THC). It’s called K2, synthetic marijuana, and it has caused a cluster of deaths in Chicago. The Chicago Tribune reported three arrests ...

In another review that looked at the effects of marijuana use on male fertility, researchers didn’t find a clear link between cannabis and hormonal imbalances. But there was some evidence that ...