Marijuana
Latest about Marijuana

3% of High-School Seniors Have Used K2 or Spice in the Past Month
By Sarah B. Puschmann published
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.

Officer's Failed Drug Test: How Long Does Marijuana Stay in Hair?
By Rachael Rettner published
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?
By Deirdre Conroy published
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
By Rachael Rettner published
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
By Cari Nierenberg published
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
By Sara G. Miller published
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
By Amanda Onion published
What happens when you combine caffeine and marijuana?

Pot Innovation: Patents for Marijuana Could Lead to Court Battles
By Craig Nard published
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.
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