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Dr. Peter Grinspoon
@drpetergrinspoon
Peter Grinspoon, MD, is a primary care physician at Mass General Hospital, an Instructor in Medicine at Harvard Medical School, and a cannabis specialist. His new book, Aging Well with Cannabis is available for preorder and publishes May 5, 2026
Grinspoon on Drugs
petergrinspoon.com
Seeing through the Smoke: A Cannabis Specialist Untangles the Truth about Marijuana
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