Peter Grinspoon

Peter Grinspoon

New Zealand New ZealandphysicianMale7.0Global Dominance: 0.00%

Peter Grinspoon is a primary care physician and cannabis specialist at Massachusetts General Hospital. He is recognized for his expertise in medical cannabis, having authored the book 'Seeing Through the Smoke: A Cannabis Specialist Untangles the Truth About Marijuana,' where he addresses the complexities of cannabis use and its implications for health.

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Peter Grinspoon is a primary care physician and board-certified addiction specialist at Massachusetts General Hospital.

5 ways daily cannabis use can affect your body and mind
The New Zealand Herald – country’s largest newspaper, est. 1863·New ZealandNew Zealand· 2026-06-02
7.0

Dr. Peter Grinspoon, a primary care physician and cannabis specialist at Massachusetts General Hospital, warned about the risks of marijuana use during adolescence.

Here’s what marijuana researchers have to say about 420 or ‘weed day’
CNN·United StatesUnited States· 2025-04-20
6.0

Dr. Peter Grinspoon is a primary care physician and cannabis specialist at Massachusetts General Hospital.

Why replacing alcohol with weed is a growing trend in the US
CNN·United StatesUnited States· 2025-04-20
8.0