Latest about Marijuana
Officer's Failed Drug Test: How Long Does Marijuana Stay in Hair?
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?
Does Marijuana Really Help You Sleep?
Opinion Many hope that marijuana will help their insomnia. A sleep psychologist examines the evidence.
Marijuana with 'CBD' May Pose Less Risk to Long-Term Users
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 US Adults Continues to Grow. Here's Why
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.
Marijuana Use Linked to Increased Risk of Dying from High Blood Pressure
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.
Stoned Plus Buzzed: Mixing Caffeine and Pot Brings New Risks
What happens when you combine caffeine and marijuana?
Pot Innovation: Patents for Marijuana Could Lead to Court Battles
Opinion 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.
Canada Issues Guidelines for Safer Use of Marijuana
Officials in Canada are releasing guidelines for how people can lower the health risks associated with using marijuana
