Some companies are offering a new way to "wake and bake."
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 new product offers marijuana compounds in the form of a vaginal suppository, and its makers claim it can relieve menstrual cramps. But is this product safe?
People who drive after smoking marijuana are at greater risk of car crashes, but blood tests to check for the drug may not be a reliable way to catch impaired drivers, a new study suggests.
Migraine sufferers might benefit from using medical marijuana -- a new study shows the drug might lead to fewer of the painful headaches, a new study suggests.
Do people who use legal marijuana drink less or more alcohol? The answer, it turns out, is complicated, a new study finds.
The level of "neural noise," or the random neural activity in the brain increases when people are given THC, a new study finds.
A liquid form of the compound cannabidiol (CBD), which is found in marijuana, may help treat epilepsy, a small new study suggests.
U.S. marijuana use has more than doubled in 10 years, in parallel with the legalization of medical and recreational marijuana use.
Sixth graders who have positive views of marijuana may be at increased risk of driving while intoxicated in high school, a new study suggests.
The percentage of U.S. college students who say they smoke marijuana daily or nearly every day is at its highest in more than three decades, according to a new survey.
Some people who smoke pot do show changes in brain development, but those changes seem to be dependent on genes and other factors.