THC

A new target for marijuana

Cellular-level changes to a part of the brain’s reward system induced by chronic exposure to the psychoactive component of marijuana may contribute to the drug’s pleasurable and potentially addictive qualities, suggests a study in young mice published in JNeurosci. The results could advance our understanding of marijuana’s effects on the developing…

Reversing the negative effects of adolescent marijuana use

Researchers at Western University have found a way to use pharmaceuticals to reverse the negative psychiatric effects of THC, the psychoactive chemical found in marijuana. Chronic adolescent marijuana use has previously been linked to the development of psychiatric diseases, such as schizophrenia, in adulthood. But until now, researchers were unsure…

Law Enforcement Sees More High-Potency Marijuana, Called “Shatter”

Drug Enforcement Administration (DEA) agents in Houston are seeing an increasing amount of a type of high-potency marijuana known as “shatter,” ABC7NY reports. Some forms of shatter have as much as 90 percent THC, the psychoactive ingredient in marijuana. That is about five times the potency of unrefined smoked marijuana.…

Testing Drivers for Evidence of Marijuana Use is Difficult, Experts Say

It is very difficult to test whether a driver has been using marijuana. The reason is that the psychoactive ingredient in marijuana, THC, dissolves in fat, unlike alcohol, which dissolves in water, experts tell NPR. “It’s really difficult to document drugged driving in a relevant way, [because of] the simple…

Levels of THC Incorrectly Labeled on Most Edible Marijuana Products: Study

Most edible marijuana products incorrectly list their levels of THC, the main psychoactive ingredient, a new study finds. The study analyzed 75 edible marijuana products sold in Seattle, San Francisco and Los Angeles, according to The New York Times. Only 17 percent of the products correctly described their levels of…