

In 2015, the National Institutes of Health launched the Adolescent Brain Cognitive Development Study. Those high dose products can cause vomiting severe enough to lead to hospitalization and episodes of psychosis, said Levy, who was a researcher for a study published in JAMA Pediatrics that found almost half of teen participants had experienced paranoia, anxiety or hallucinations while using cannabis.Īn answer to the cannabis chicken-and-egg question may be coming. So I’m not persuaded that (there are cognitive deficits like) longterm memory loss.” “When you look at twin studies, you don’t find any difference between the twin who started using and the one who didn’t. “It’s the whole chicken-and-egg question,” Grant said. Igor Grant, distinguished professor in the department of psychiatry and director of the Center for Medicinal Cannabis Research at the University of California, San Diego.

Not everyone is convinced that cannabis causes bad outcomes, said Dr.

What parents should be saying is not ‘just say no’ but rather ‘just not yet.’” “If you can protect your brain from everything, not just cannabis, it’s best for the brain. “Almost anything can change the trajectory of brain development,” added Gruber, who is also an associate professor of psychiatry at Harvard Medical School. In adolescence the brain is especially vulnerable, said Staci Gruber, director of the Cognitive and Clinical Neuroimaging Core and the Marijuana Investigations for Neuroscientific Discovery (MIND) at McLean Hospital.
