Grinspoon on Drugs
Dr. Peter GrinspoonDoctors. Drugs. Unfiltered opinions. The unvarnished truth. These are things that are rarely if ever, seen together. Here you can find an informed, objective alternative to the medical party line. Join me.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 82 | Founded | 3 years ago | Last Issue | 5 days ago |
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drpetergrinspoon.substack.comLatest Issues
Cannabis Addiction Reconsidered
Some addiction psychiatrists and researchers claim that 30% of adults who use cannabis in the United States develop cannabis addiction, which they call “cannabis use disorder”. This number is exaggerated, and this exaggeration harms medical...
No, you don’t have to smoke it
Many physicians still think cannabis isn’t a medicine because people smoke it. Or, that smoking is the only way to consume medical marijuana. One friend of mine, a psychiatrist at Harvard Medical, bellowed at me, “how can a burning plant ma...
Could Cannabis Help Someone You Love Age Better?
One of the reasons I wrote Aging Well with Cannabis is that countless people are struggling to learn how to safely incorporate cannabis into their medical care. Whether it is an aging parent, a spouse or a friend, many patients are eager to...
Half of Older Adults Struggle With Sleep
Most of us have experienced insomnia and know what a miserable experience it is. I have been an insomniac my entire life and am familiar with lying in bed waiting for sleep to arrive much as Linus waits for the Great Pumpkin to appear.
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With drugs, is it correct to say: “all use is misuse”?
(This blog is not meant as an inducement to try or use recreational drugs. Rather, it is intended as more of a reality check on prevailing professional attitudes toward these behaviors.)
When studying for my addiction boards last year, it...
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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
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