In part one of what marijuana really does to your brain, we traced the discovery of the cannabinoid receptor. Finding the receptor is the first step in determining how smoking causes a high. The next ...

Following driving directions or recalling a phone number are skills that require "working memory" – an executive function that helps people keep track of what they are doing. "Working memory is sort ...

A new study published today in JAMA Network Open explores the effects of both recent and lifetime cannabis use on brain function during cognitive tasks. The study, the largest of its kind ever to be ...

Authors of a new study on the neurological impacts of long-term THC administration say their findings "could be the basis for an effective antiaging and pro-cognitive medication," noting increased ...

SAN DIEGO (KGTV) — Marijuana is not what it used to be. The legal retailers are making power-packed versions of THC oils, gummies and even sodas that doctors say they are now finding are highly ...

People who regularly use marijuana experience changes in their brain structure and function, but it's not clear that cannabis is the cause, a new study finds. Researchers found specific differences in ...

Frequent marijuana use can negatively affect brain activity, resulting in reduced memory capabilities, according to information published Tuesday in the medical journal JAMA Network Open. In the study ...

This project examines the effects exposure to inhaled nicotine, THC, or the combination in utero may have on behavior, brain function, and neurochemistry in adolescence and adulthood. Using a rat ...