Marijuana use may carry a number of risks, including addiction and memory impairment, according to a review of the scientific literature authored by the National Institute on Drug Abuse (NIDA). The authors of the review, published last week (June 5) in The New England Journal of Medicine, stressed marijuana’s potential harm to younger users, citing...

Two autism-related mutations in a synapse-adhesion protein lead to deficits in prolonged endocannabinoid signaling in mice. It’s a surprising connection that suggests such signaling problems could be implicated in autism spectrum disorders, according to a paper published today (April 11) in Neuron. Tonic endocannabinoid signaling is long-lasting and contrasts with the brief pulses characteristic of...

According to the National Institutes of Health, people have used marijuana, or cannabis, to treat their ailments for at least 3,000 years. However, the Food and Drug Administration have not deemed marijuana safe or effective in the treatment of any medical condition, although cannabidiol, a substance that is present in marijuana, received approval in June...

Marijuana is a green, brown, or gray mix of dried, crumbled parts from the marijuana plant. The plant contains chemicals which act on your brain and can change your mood or consciousness. How do people use marijuana? There are many different ways that people use marijuana, including Rolling it up and smoking it like a...

Several pharmaceutical drugs based on cannabis, in purified and standardized form, have been made available for medical use. However, the use of herbal cannabis in medicine remains highly controversial, in part because of the lack of standardization among products to ensure safe and consistent dosing and in part because of disagreement over legalization. In the...

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