Dr. Peter Grinspoon
@grinspoon.bsky.social
Primary Care Doc. & #cannabis specialist Harvard Med.
Substack: https://drpetergrinspoon.substack.com
Book: Seeing Through the Smoke (about weed)
#addiction #psychedelics
Substack: https://drpetergrinspoon.substack.com
Book: Seeing Through the Smoke (about weed)
#addiction #psychedelics
Pinned
What We’re Still Getting Wrong About Cannabis in Addiction Medicine
Outdated training, exaggerated harms, and a curriculum that leaves new doctors unprepared to talk honestly with patients.
drpetergrinspoon.substack.com
Please check out latest blog about how field of #addiction medicine does not understand context in which most people use #cannabis (i.e., "all use is abuse"); they are miseducating doctors about medical #marijuana by hyperfocusing on harms over benefits
drpetergrinspoon.substack.com/p/reefer-mis...
drpetergrinspoon.substack.com/p/reefer-mis...
Reposted by Dr. Peter Grinspoon
Please check out latest blog about how field of #addiction medicine does not understand context in which most people use #cannabis (i.e., "all use is abuse"); they are miseducating doctors about medical #marijuana by hyperfocusing on harms over benefits
drpetergrinspoon.substack.com/p/reefer-mis...
drpetergrinspoon.substack.com/p/reefer-mis...
What We’re Still Getting Wrong About Cannabis in Addiction Medicine
Outdated training, exaggerated harms, and a curriculum that leaves new doctors unprepared to talk honestly with patients.
drpetergrinspoon.substack.com
November 18, 2025 at 5:33 PM
Please check out latest blog about how field of #addiction medicine does not understand context in which most people use #cannabis (i.e., "all use is abuse"); they are miseducating doctors about medical #marijuana by hyperfocusing on harms over benefits
drpetergrinspoon.substack.com/p/reefer-mis...
drpetergrinspoon.substack.com/p/reefer-mis...
Please check out latest blog about how field of #addiction medicine does not understand context in which most people use #cannabis (i.e., "all use is abuse"); they are miseducating doctors about medical #marijuana by hyperfocusing on harms over benefits
drpetergrinspoon.substack.com/p/reefer-mis...
drpetergrinspoon.substack.com/p/reefer-mis...
What We’re Still Getting Wrong About Cannabis in Addiction Medicine
Outdated training, exaggerated harms, and a curriculum that leaves new doctors unprepared to talk honestly with patients.
drpetergrinspoon.substack.com
November 18, 2025 at 5:33 PM
Please check out latest blog about how field of #addiction medicine does not understand context in which most people use #cannabis (i.e., "all use is abuse"); they are miseducating doctors about medical #marijuana by hyperfocusing on harms over benefits
drpetergrinspoon.substack.com/p/reefer-mis...
drpetergrinspoon.substack.com/p/reefer-mis...
Interesting!
'We initially demonstrate that low-dose THC-CBD potentially can be an effective and safe therapeutic option for AD-related dementia.'
#CannabisCommunity pubmed.ncbi.nlm.nih.gov/41160460/
'We initially demonstrate that low-dose THC-CBD potentially can be an effective and safe therapeutic option for AD-related dementia.'
#CannabisCommunity pubmed.ncbi.nlm.nih.gov/41160460/
A randomized clinical trial of low-dose cannabis extract in Alzheimer's disease - PubMed
BackgroundPreclinical and clinical evidence suggest that low-dose cannabinoids could ameliorate Alzheimer's disease (AD) signs and symptoms. We designed this trial to evaluate the safety and efficacy of low-dose THC-CBD balanced cannabinoid extract in the treatment of patients with AD-associated dem …
pubmed.ncbi.nlm.nih.gov
November 17, 2025 at 1:16 PM
Interesting!
'We initially demonstrate that low-dose THC-CBD potentially can be an effective and safe therapeutic option for AD-related dementia.'
#CannabisCommunity pubmed.ncbi.nlm.nih.gov/41160460/
'We initially demonstrate that low-dose THC-CBD potentially can be an effective and safe therapeutic option for AD-related dementia.'
#CannabisCommunity pubmed.ncbi.nlm.nih.gov/41160460/
A lot of people found this blog helpful, about the Endocannabinoid System, which explains how #cannabis works, how it helps regulate all of our other bodily systems, anad why people withdraw from #marijuana after heavy use.
drpetergrinspoon.substack.com/p/the-miracu...
drpetergrinspoon.substack.com/p/the-miracu...
The Miraculous Endocannabinoid System
What is it and why does it matter so much?
drpetergrinspoon.substack.com
November 16, 2025 at 4:44 PM
A lot of people found this blog helpful, about the Endocannabinoid System, which explains how #cannabis works, how it helps regulate all of our other bodily systems, anad why people withdraw from #marijuana after heavy use.
drpetergrinspoon.substack.com/p/the-miracu...
drpetergrinspoon.substack.com/p/the-miracu...
Reposted by Dr. Peter Grinspoon
Check out my video on #cannabis for older adults; this is what my next book (on 5/5/26) is about!
www.youtube.com/watch?v=jGJy...
www.youtube.com/watch?v=jGJy...
Cannabis EXPERT Shares Surprising Benefits for Seniors
YouTube video by Peter Grinspoon
www.youtube.com
October 31, 2025 at 6:58 PM
Check out my video on #cannabis for older adults; this is what my next book (on 5/5/26) is about!
www.youtube.com/watch?v=jGJy...
www.youtube.com/watch?v=jGJy...
Reposted by Dr. Peter Grinspoon
I visited a concierge medical practice. It's not a mystery why the rich are living longer than the poor, while hospitals are cashng in. Check out my YouTube video on this topic to go with my blog.
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
November 3, 2025 at 9:47 PM
I visited a concierge medical practice. It's not a mystery why the rich are living longer than the poor, while hospitals are cashng in. Check out my YouTube video on this topic to go with my blog.
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
I visited a concierge medical practice. It's not a mystery why the rich are living longer than the poor, while hospitals are cashng in. Check out my YouTube video on this topic to go with my blog.
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
November 3, 2025 at 9:47 PM
I visited a concierge medical practice. It's not a mystery why the rich are living longer than the poor, while hospitals are cashng in. Check out my YouTube video on this topic to go with my blog.
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
Substack/blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
YouTube:
www.youtube.com/watch?v=-7tA...
Check out my video on #cannabis for older adults; this is what my next book (on 5/5/26) is about!
www.youtube.com/watch?v=jGJy...
www.youtube.com/watch?v=jGJy...
Cannabis EXPERT Shares Surprising Benefits for Seniors
YouTube video by Peter Grinspoon
www.youtube.com
October 31, 2025 at 6:58 PM
Check out my video on #cannabis for older adults; this is what my next book (on 5/5/26) is about!
www.youtube.com/watch?v=jGJy...
www.youtube.com/watch?v=jGJy...
Reposted by Dr. Peter Grinspoon
I visited a concierge practice and was blown away by the difference in the level of healthcare provided (from my inner-city clinic) -- all within the same hospital system. The rich are living longer & the hospitals are cashing in. Check out my blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
drpetergrinspoon.substack.com/p/a-tale-of-...
A Tale of Two Clinics
Visiting a concierge medicine practice
drpetergrinspoon.substack.com
October 28, 2025 at 3:40 PM
I visited a concierge practice and was blown away by the difference in the level of healthcare provided (from my inner-city clinic) -- all within the same hospital system. The rich are living longer & the hospitals are cashing in. Check out my blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
drpetergrinspoon.substack.com/p/a-tale-of-...
I'm quoted in Oprah Daily about how #cannabis can impact sexuality (usually for the better...).
www.oprahdaily.com/life/relatio...
www.oprahdaily.com/life/relatio...
I Lost My Sex Drive After Motherhood—Weed Helped Me Find It Again
Years of IVF and chasing toddlers killed her mood. Now she pops a gummy, and it's on!
www.oprahdaily.com
October 30, 2025 at 8:31 PM
I'm quoted in Oprah Daily about how #cannabis can impact sexuality (usually for the better...).
www.oprahdaily.com/life/relatio...
www.oprahdaily.com/life/relatio...
This is brutal...
www.npr.org/sections/sho...
www.npr.org/sections/sho...
In rural America, scarce doctors battle misinformation as they practice medicine
Conspiracy theories about health fill a vacuum created by the lack of doctors in many rural communities. Meanwhile, doctors in these areas say patients have become increasingly distrustful and sometim...
www.npr.org
October 29, 2025 at 2:12 AM
This is brutal...
www.npr.org/sections/sho...
www.npr.org/sections/sho...
I visited a concierge practice and was blown away by the difference in the level of healthcare provided (from my inner-city clinic) -- all within the same hospital system. The rich are living longer & the hospitals are cashing in. Check out my blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
drpetergrinspoon.substack.com/p/a-tale-of-...
A Tale of Two Clinics
Visiting a concierge medicine practice
drpetergrinspoon.substack.com
October 28, 2025 at 3:40 PM
I visited a concierge practice and was blown away by the difference in the level of healthcare provided (from my inner-city clinic) -- all within the same hospital system. The rich are living longer & the hospitals are cashing in. Check out my blog:
drpetergrinspoon.substack.com/p/a-tale-of-...
drpetergrinspoon.substack.com/p/a-tale-of-...
Interesting study about Wegovy-like drugs helping with #cannabis use disorder (the population of #marijuana users that have trouble controlling their usage).
pubmed.ncbi.nlm.nih.gov/38486046/
pubmed.ncbi.nlm.nih.gov/38486046/
Association of semaglutide with reduced incidence and relapse of cannabis use disorder in real-world populations: a retrospective cohort study - PubMed
Cannabis is the most frequently used illicit drug in the United States with more than 45 million users of whom one-third suffer from a cannabis use disorder (CUD). Despite its high prevalence, there a...
pubmed.ncbi.nlm.nih.gov
October 22, 2025 at 12:09 PM
Interesting study about Wegovy-like drugs helping with #cannabis use disorder (the population of #marijuana users that have trouble controlling their usage).
pubmed.ncbi.nlm.nih.gov/38486046/
pubmed.ncbi.nlm.nih.gov/38486046/
Reposted by Dr. Peter Grinspoon
As a primary care physician at MGH, I’m seeing more and more older adults turn to #cannabis and #CBD — not just for curiosity, but because these treatments are helping with sleep issues, anxiety, and chronic pain
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
Cannabis EXPERT Shares Surprising Benefits for Seniors
YouTube video by Peter Grinspoon
www.youtube.com
September 9, 2025 at 1:55 PM
As a primary care physician at MGH, I’m seeing more and more older adults turn to #cannabis and #CBD — not just for curiosity, but because these treatments are helping with sleep issues, anxiety, and chronic pain
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
'This study’s findings indicate cannabis may be a substitute for opioids in the management of cancer-related pain.'
(Many of us have been using #cannabis to help #cancer pain for decades...glad medical community is catching up...)
jamanetwork.com/journals/jam...
(Many of us have been using #cannabis to help #cancer pain for decades...glad medical community is catching up...)
jamanetwork.com/journals/jam...
Cannabis Laws and Opioid Use Among Commercially Insured Patients With Cancer
This cross-sectional study examines the association of medical and recreational cannabis dispensary availability with prescription opioid dispensing among commercially insured patients with cancer in ...
jamanetwork.com
October 20, 2025 at 11:41 AM
'This study’s findings indicate cannabis may be a substitute for opioids in the management of cancer-related pain.'
(Many of us have been using #cannabis to help #cancer pain for decades...glad medical community is catching up...)
jamanetwork.com/journals/jam...
(Many of us have been using #cannabis to help #cancer pain for decades...glad medical community is catching up...)
jamanetwork.com/journals/jam...
t's good that @JAMA_current is finally advocating for teaching doctors about medical #cannabis
(and, only 54 years after my dad, Dr. Lester Grinspoon, was urging this for all doctors in his book 'Marihuana Reconsidered.").
jamanetwork.com/journals/jam...
(and, only 54 years after my dad, Dr. Lester Grinspoon, was urging this for all doctors in his book 'Marihuana Reconsidered.").
jamanetwork.com/journals/jam...
Developing Medical Cannabis Competencies
This consensus statement describes the development of a set of core competencies for educating medical students about medical cannabis, including its clinical utility, risks, legal landscape, and evid...
jamanetwork.com
October 8, 2025 at 9:38 PM
t's good that @JAMA_current is finally advocating for teaching doctors about medical #cannabis
(and, only 54 years after my dad, Dr. Lester Grinspoon, was urging this for all doctors in his book 'Marihuana Reconsidered.").
jamanetwork.com/journals/jam...
(and, only 54 years after my dad, Dr. Lester Grinspoon, was urging this for all doctors in his book 'Marihuana Reconsidered.").
jamanetwork.com/journals/jam...
Interesting study about #cannabis and #chronicpain.
'Cannabis Product Beats Placebo for Common Chronic Pain
— Phase III trial shows efficacy."
www.medpagetoday.com/rheumatology...
'Cannabis Product Beats Placebo for Common Chronic Pain
— Phase III trial shows efficacy."
www.medpagetoday.com/rheumatology...
Cannabis Product Beats Placebo for Common Chronic Pain
Phase III trial shows efficacy, but lacks comparison with other active treatments
www.medpagetoday.com
September 30, 2025 at 11:16 AM
Interesting study about #cannabis and #chronicpain.
'Cannabis Product Beats Placebo for Common Chronic Pain
— Phase III trial shows efficacy."
www.medpagetoday.com/rheumatology...
'Cannabis Product Beats Placebo for Common Chronic Pain
— Phase III trial shows efficacy."
www.medpagetoday.com/rheumatology...
Wonderful review of my brother
@drfunkyspoon.bsky.social's great book, 'Earth in Human Hands" about how humanity might be able to navigate our perilous future.
blogs.loc.gov/kluge/2025/0...
@drfunkyspoon.bsky.social's great book, 'Earth in Human Hands" about how humanity might be able to navigate our perilous future.
blogs.loc.gov/kluge/2025/0...
25 for 25, “Earth in Human Hands: Shaping Our Planet’s Future” by David Grinspoon. | Insights
This post is part of the Kluge Center’s 25 for 25, in honor of the Kluge Center’s 25th anniversary, celebrating 25 books that were written thanks to the Kluge Center’s support. Read the introductory p...
blogs.loc.gov
September 28, 2025 at 3:30 PM
Wonderful review of my brother
@drfunkyspoon.bsky.social's great book, 'Earth in Human Hands" about how humanity might be able to navigate our perilous future.
blogs.loc.gov/kluge/2025/0...
@drfunkyspoon.bsky.social's great book, 'Earth in Human Hands" about how humanity might be able to navigate our perilous future.
blogs.loc.gov/kluge/2025/0...
Another hige blow to our ability to provide high quality primary care at my hospital (if you even can find a PCP). We can't get patients in to specialists in a safe/timely manner; now they are making it virtually impossible to ask them for clinical advice.
www.bostonglobe.com/2025/09/23/b...
www.bostonglobe.com/2025/09/23/b...
Mass General Brigham will soon bill you when your doctor consults a specialist about your care - The Boston Globe
Patients at the state's largest health system will be billed extra when their primary care doctors consult with specialists via a digital platform.
www.bostonglobe.com
September 24, 2025 at 3:31 AM
Another hige blow to our ability to provide high quality primary care at my hospital (if you even can find a PCP). We can't get patients in to specialists in a safe/timely manner; now they are making it virtually impossible to ask them for clinical advice.
www.bostonglobe.com/2025/09/23/b...
www.bostonglobe.com/2025/09/23/b...
Cannabis administration is associated with reduced alcohol consumption: Evidence from a novel laboratory co-administration paradigm
#cannabis #alcohol
www.sciencedirect.com/science/arti...
#cannabis #alcohol
www.sciencedirect.com/science/arti...
Cannabis administration is associated with reduced alcohol consumption: Evidence from a novel laboratory co-administration paradigm
Alcohol and cannabis co-use is increasingly prevalent across the U.S., concomitant with trends towards recreational cannabis legalization. While some …
www.sciencedirect.com
September 10, 2025 at 1:11 AM
Cannabis administration is associated with reduced alcohol consumption: Evidence from a novel laboratory co-administration paradigm
#cannabis #alcohol
www.sciencedirect.com/science/arti...
#cannabis #alcohol
www.sciencedirect.com/science/arti...
As a primary care physician at MGH, I’m seeing more and more older adults turn to #cannabis and #CBD — not just for curiosity, but because these treatments are helping with sleep issues, anxiety, and chronic pain
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
Cannabis EXPERT Shares Surprising Benefits for Seniors
YouTube video by Peter Grinspoon
www.youtube.com
September 9, 2025 at 1:55 PM
As a primary care physician at MGH, I’m seeing more and more older adults turn to #cannabis and #CBD — not just for curiosity, but because these treatments are helping with sleep issues, anxiety, and chronic pain
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
Please check out my video on this topic
www.youtube.com/watch?v=jGJy...
Why can no one find a PCP?
Instead of minimally supporting current primary care docs, many of whom are close to giving up completely, my hospital system, MGB, is planning providing primary care by nurses (without any doctors...) at CVS Minute Clinics.
commonwealthbeacon.org/opinion/foll...
Instead of minimally supporting current primary care docs, many of whom are close to giving up completely, my hospital system, MGB, is planning providing primary care by nurses (without any doctors...) at CVS Minute Clinics.
commonwealthbeacon.org/opinion/foll...
Follow the money: Is the CVS-MGB primary care deal good for Mass.? - CommonWealth Beacon
THE PRIMARY CARE CRISIS in Massachusetts and the nation is omnipresent. Primary care providers—physicians, nurse practitioners, physician associates—are
commonwealthbeacon.org
September 7, 2025 at 10:29 PM
Why can no one find a PCP?
Instead of minimally supporting current primary care docs, many of whom are close to giving up completely, my hospital system, MGB, is planning providing primary care by nurses (without any doctors...) at CVS Minute Clinics.
commonwealthbeacon.org/opinion/foll...
Instead of minimally supporting current primary care docs, many of whom are close to giving up completely, my hospital system, MGB, is planning providing primary care by nurses (without any doctors...) at CVS Minute Clinics.
commonwealthbeacon.org/opinion/foll...
Reposted by Dr. Peter Grinspoon
Check out my new video on the urgent need to decriminalize opioids, following on the success of #cannabis legalization. People are mostly overdosing/dying from ILLEGAL opioids. Time to wind down the War on Drugs (which we are losing).
drpetergrinspoon.substack.com/p/an-argumen...
drpetergrinspoon.substack.com/p/an-argumen...
An Argument for Decriminalizing Opioids
Lives would be saved.
drpetergrinspoon.substack.com
August 6, 2025 at 2:28 PM
Check out my new video on the urgent need to decriminalize opioids, following on the success of #cannabis legalization. People are mostly overdosing/dying from ILLEGAL opioids. Time to wind down the War on Drugs (which we are losing).
drpetergrinspoon.substack.com/p/an-argumen...
drpetergrinspoon.substack.com/p/an-argumen...
Delta-8-tetrahydrocannabinol use more common where marijuana remains prohibited and less common where delta-8-tetrahydrocannabinol sales are regulated or prohibited
(legalize #cannabis & you get rid of these dangerous and unrelated hemp-derrived products)
www.ajpmonline.org/article/S074...
(legalize #cannabis & you get rid of these dangerous and unrelated hemp-derrived products)
www.ajpmonline.org/article/S074...
U.S. State Marijuana and Delta-8-Tetrahydrocannabinol Laws and Delta-8-Tetrahydrocannabinol Use
Delta-8-tetrahydrocannabinol has gained popularity since the passage of the 2018 U.S.
Farm Bill. The absence of federal laws and varying state regulations governing delta-8-tetrahydrocannabinol
have a...
www.ajpmonline.org
September 5, 2025 at 1:27 PM
Delta-8-tetrahydrocannabinol use more common where marijuana remains prohibited and less common where delta-8-tetrahydrocannabinol sales are regulated or prohibited
(legalize #cannabis & you get rid of these dangerous and unrelated hemp-derrived products)
www.ajpmonline.org/article/S074...
(legalize #cannabis & you get rid of these dangerous and unrelated hemp-derrived products)
www.ajpmonline.org/article/S074...
Reposted by Dr. Peter Grinspoon
Check out my latest video, it is more personal than most, about what it was like, now that it's my 2 year anniversary, to get run over by a car and to recover. Not fun!
www.youtube.com/watch?v=Ki5a...
www.youtube.com/watch?v=Ki5a...
Hit by a Car: My Broken Leg Recovery Story
YouTube video by Peter Grinspoon
www.youtube.com
September 2, 2025 at 3:38 PM
Check out my latest video, it is more personal than most, about what it was like, now that it's my 2 year anniversary, to get run over by a car and to recover. Not fun!
www.youtube.com/watch?v=Ki5a...
www.youtube.com/watch?v=Ki5a...