Daily marijuana use has a measurable effect on the brain, a new study finds.

Teenagers who smoked marijuana daily for three years performed poorly on memory tasks and showed abnormal changes in brain structure, according to a Northwestern Medicine study. Researchers in Chicago observed the brains of teenagers who were heavy users of marijuana. In those individuals, memory-related structures in the brain appeared to shrink and collapse inward, possibly indicating a decrease in neurons.

These abnormalities were recorded two years after the teens stopped using marijuana, possibly indicating long-term effects, and look similar to schizophrenia-related brain abnormalities.

The brains were shaped more abnormally for individuals who began marijuana use at a younger age, according to the reports, which suggest that memory regions of the brain are more susceptible to the drug at earlier ages.

The research was published in the December issue of Schizophrenia Bulletin.

About RichardB

I am trained and work as a Creative Arts Therapist. I have passionately studied, worked, and taught as a hands on practitioner of the Creative/Expressive and Healing Arts since 1983. I have integrated training’s in modalities which include Swedish Massage, Jin Shin Do, Trager Work, Hatha Yoga, Gestalt Therapy, Halprin Method, Group Creative Arts Therapy, Tai Chi, Meditation, Motional Processing, Rituals, Interfaith Celebrations, Progressive Early Childhood and Adult Education, Addiction and Recovery Services, Counseling and Psychotherapy, Dance/Movement Therapy. I currently provide Creative Arts and Counseling services to a local nonprofit agency as well as teaching local classes and workshops. I use compassion and acceptance to create an environment that is safe and nurturing for individual clients and/or groups.
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