January 21, 2018 Recreational marijuana is legal in California, but stoned driving is still hard to detect
Brad Branan, The Sacramento Bee

January 15, 2018 California weed researcher explains why we know so little about marijuana health claims
Amy Martyn,

December 27, 2017 With Pot Soon Legal, CHP Warns: Drive High, Get A DUI
CBS News

December 20, 2017 Simulator aims to help police test whether a person is too high to drive
CBS News

December 4, 2017 Recreational marijuana sales start Jan. 1. Here's how weed does, and doesn't affect your health
Gary Robbins, San Diego Union Tribune

November 17, 2017 Don't feast on edible marijuana until you read this
Gary Robbins, San Diego Union Tribune

October, 2017 Higher Education
Jim Benning, Westways

September 13, 2017 Hatch Introduces Medical Marijuana Research Bill
Press Release

July 12, 2017 Medical Marijuana and the Role of the Physician
Elizabeth Gardner, Anesthesiology News

June 7, 2017 Driving Stoned: San Diego Scientists Try To Find DUI Limit For Marijuana
Kenny Goldberg, KPBS

June 5, 2017 Driving Stoned: How Much Is Too Much?
Kenny Goldberg, KPBS

May 29, 2017 UCSD Researchers Test Effects of Marijuana on Driving, Pain with Prop 64 Funding
Promita Nandy, UCSD Guardian

May 10, 2017 Buzz kill: California police work to detect drugged drivers
Don Thompson, Associated Press

April 20, 2017 Some of the Parts: Is Marijuana’s “Entourage Effect” Scientifically Valid?
Angus Chen, Scientific American

February 19, 2017 When Retirement Comes With a Daily Dose of Cannabis
Winnie Hu, The New York Times

January 16, 2017 When Are You Too Stoned to Drive?
Beth Schwartzapfel, The Marshall Project

January 15, 2017 Stoned Driving: How can police tell?
Reed Pence, Radio Health Journal

January 12, 2017 Pot has some medical benefits, U.S. Academies say, but obstacles to research loom
Greg Miller, Science Magazine

December 13, 2016 No Widely Accepted Way To Test Marijuana Impairment In Drivers
Martha Bebinger, WBUR, Massachusetts

November 16, 2016 With legal pot comes a problem: How do we weed out impaired drivers?
Igor Grant, The Conversation

November 13, 2016 Now what? A dispensary owner, a scientist, a defense expert and a city manager reflect on the new pot law
Robin Abcarian, Los Angeles Times

November 11, 2016 Prop 64: Pot tax to pay for scientific research of marijuana use
Sanden Totten, KPCC

November 9, 2016 Chef brings cannabis to the dinner table
Rosalina Nieves, CNN

November 3, 2016 Why is it so hard to prove people are driving high?
Steve Price, CBS 8

October 30, 2016 High on the highways?
Tom Relihan, The Recorder

September 6, 2016 Why Drunk Driving Laws Don't Translate To Driving While Stoned
Ben Markus & Stephanie O'Neill, NPR Morning Edition

August 31, 2016 The DEA is looking for candidates to grow marijuana for research — but will it find any takers?
Andrew Joseph, STAT

August 12, 2016 DEA Says Pot to Remain Illegal Drug
Rob Hotakainen, The San Diego Union Tribune

August 11, 2016 DEA moves to make more marijuana available for medical research
Peter Hecht and Christopher Cadelago, The Sacramento Bee

August 1, 2016 What Pain Specialists Need to Know About Medicinal Cannabis
Lisa Ellis, Practical Pain Management

July 14, 2016 How can you tell if a driver is stoned?
AirTalk, KPCC

July 13, 2016 How can you tell if a driver is stoned?
Stephanie O'Neill, KPCC

July 12, 2016 Vaporized Cannabis Eases Neuropathic Pain in Patients with Spinal Cord Injury
Tori Rodriguez, MA, LPC,

May 13, 2016 UCSD to Study Effects of Marijuana on Driving
Megan Tevrizian and Laura McVicker, NBC San Diego

May 11, 2016 Car crashes involving marijuana doubled in Washington state, AAA says
Susan Carpenter, KPCC

May 1, 2016 Seniors and marijuana
CBS News

April 28, 2016 State Recruits UCSD to Develop Marijuana Sobriety Test
Ming-Ray Liao, UCSD Guardian

April 19, 2016 Researchers try to build an accurate marijuana sobriety test
Take Two, KPCC

April 19, 2016 UC San Diego Scientists Working On Roadside Test For Stoned Drivers
David Wagner, KPBS

April 17, 2016 State asks UCSD to find ways to detect stoned drivers
Gary Robbins, San Diego Union Tribune

August 1, 2015 Is it time to legalize marijuana in sports?
Stefanie Loh, San Diego Union Tribune

June 22, 2015 Major Pot Research Barrier Goes Up in Smoke
Steven Nelson, U.S. News & World Report

April 23, 2015 How Effective Is Medical Marijuana? Here's A Closer Look At 14 Different Uses
MSN Health & Fitness

March 3, 2015 San Diego Scientist Clears Haze On Medical Marijuana
David Wagner, KPBS

February 15, 2015 Everything you wanted to know about medical marijuana, but were too afraid to ask
Lizzie Wade, Science Magazine

February 14, 2015 Is Cannabis the New Frontier of Therapeutics?
American Association for the Advancement of Science

January 30, 2015 5 Surprising Facts about Medical Marijuana and Cannabinoids
UCSD Health Sciences Communications

November 20, 2014 PBS Second Opinion - Medical Marijuana
PBS Second Opinion Series, Episode 1106

October 23, 2014 NFL policy stirs debate on players using pot for pain
Barry Peterson, CBS News

October 8, 2014 Legalizing Marijuana: The Public Health Pros and Cons
The Forum at Harvard School of Public Health

August 25, 2014 Could Medical Marijuana Laws Cut Painkiller Deaths?
Dr. Jamie Zimmerman, ABC News

June 7, 2014 Experts discuss science of med. marijuana
Paul Sisson, San Diego Union-Tribune

March 5, 2014 Coming Soon to a Pharmacy Near You: Marijuana?
Paul Tullis,

November 10, 2013 Young Utahn opts for cannabis to treat cancer
Kirsten Stewart, The Salt Lake Tribune

May 2013 Medicinal Cannabis and Painful Sensory Neuropathy
Igor Grant, AMA Virtual Mentor Editorial

October 19, 2012 Law, policy thwart research on marijuana
Chelsea Conaboy, The Boston Globe

July 12, 2012 Research backs up claims of medical marijuana's benefits
Peter Hecht, The Sacramento Bee

May 14, 2012 Marijuana may ease multiple sclerosis symptoms
Amy Norton, Reuters Health

May 14, 2012 Marijuana May Help Patients with MS
Rachael Rettner, MyHealthNewsDaily

May 14, 2012 Study Confirms Marijuana Helps in MS
Crystal Phend, MedPage Today

May 14, 2012 Smoked Cannabis Reduces Some Symptoms of Multiple Sclerosis
UCSD Press Release

April 20, 2012 Medical Marijuana Facts: Stoned Cold Science for 4/20
Cara Santa Maria, The Huffington Post

November 21, 2011 The Gaps in Medical Marijuana Knowledge
Randy Dotinga,

August 23, 2011 Doctors, Patients Assess Effectiveness of Medical Marijuana
PBS NewsHour

July 12, 2011 Marijuana Advocates Sue Feds After DEA Rejects Weed as Medicine
Courtney Hutchison, ABC News

July 9, 2011 U.S. decrees that marijuana has no accepted medical use
John Hoeffel, Los Angeles Times

February 28, 2011 Clearing the Smoke: The Science of Cannabis
Montana PBS

October 22, 2010 Medical marijuana: The science behind the smoke and fears
Igor Grant

September 27, 2010 Health Effects of Marijuana
Megan Burke & Maureen Cavanaugh, KPBS

July 23, 2010 V.A. Easing Rules for Users of Medical Marijuana
Dan Frosch, The New York Times

July 4, 2010 Medical-marijuana advocates seek society's approval
John Ingold, The Denver Post

February 18, 2010 UC studies find promise in medical marijuana
John Hoeffel, Los Angeles Times

February 18, 2010 Clinical trials show medical benefits of pot
Victoria Colliver & Wyatt Buchanan, San Francisco Chronicle

February 18, 2010 UC Studies Show Marijuana Has Therapeutic Value, Reports to Legislature
UCSD Press Release

February 17, 2010 Calif. research shows pot can ease muscle spasms
Lisa Leff, Associated Press

February 17, 2010 Medical Marijuana: Putting Together California’s Research
Anne Wilde Matthews, Wall Street Journal

February 17, 2010 Study Proves Pot is Good Medicine
Jessica Greene, NBC Bay Area

February 17, 2010 Study shows marijuana effective at relieving pain
Timm Herdt, Ventura County Star

February 17, 2010 New study: Marijuana useful for treating pain of some medical maladies
Josh Richman, Contra Costa Times

January 18, 2010 Researchers Find Study of Medical Marijuana Discouraged
Gardiner Harris, New York Times

January 18, 2010 Is Marijuana a Medicine?
Anne Wilde Matthews, Wall Street Journal

August 4, 2009 Does the Pot Pill Work?
Brian Montopoli, CBS News

May 2, 2009 Scientists, FDA at odds over benefits of marijuana
Brian Newsome, The Gazette

August 18, 2008 Medical marijuana: What does science say?
Jill U. Adams, Los Angeles Times

August 18, 2008 Pro: Marijuana use for chronic pain and nausea
Jill U. Adams, Los Angeles Times

August 18, 2008 Con: Marijuana's damaging effects
Jill U. Adams, Los Angeles Times

August 18, 2008 Vaporizers can cut marijuana smoke, retain similar medical effects
Jill U. Adams, Los Angeles Times

August 7, 2008 Medicinal Marijuana Effective For Neuropathic Pain In HIV, Study Finds

August 6, 2008 Marijuana Eases Nerve Pain Due to HIV: Study Shows Smoking Pot Provides Pain Relief From HIV-Related Neuropathy
Kelli Miller Stacy, WebMD Health News

August 6, 2008 Marijuana Relieves HIV-Related Neuropathic Pain
Crystal Phend, MedPage Today

August 6, 2008 Medical Marijuana Works for HIV-Related Nerve Pain, Study Says
Elizabeth Lopatto, Bloomberg

August 6, 2008 Medicinal Marijuana Eases Neuropathic Pain in HIV
The Washington Post

August 6, 2008 Medicinal Marijuana Effective for Neuropathic Pain in HIV
Press Release, University of California, San Diego

April 30, 2008 Low-dose pot eases pain while keeping mind clear
Anne Harding, Reuters

April 18, 2008 Presidential Candidates on Marijuana
John Tierney, New York Times

April 18, 2008 Low-dose pot eases pain while keeping mind clear
Anne Harding, Reuters

November 23, 2007 Marijuana Study Yields Surprising Results
NBC San Diego

November 22, 2007 Effect of pot smoking on pain all in the dose: study
David Douglas, Reuters

October 31, 2007 Right Dose of Pot Can Ease Pain
HealthDay News

October 26, 2007 Can Puffing Pot Ease Your Pain?

October 24, 2007 Smoked Cannabis Proven Effective in Treating Neuropathic Pain
Press Release, University of California, San Diego

October 24, 2007 Too Much Cannabis and Pain Relief Goes Up in Smoke
Charles Bankhead, MedPage Today

October 24, 2007 Study: Too Much Marijuana Makes Pain Worse, Not Better
Fox News

April 30, 2007 Marijuana for Painful Peripheral Neuropathy?
Judith Feinberg, MD, AIDS Clinical Care

February 13, 2007 Medical pot cuts pain, study finds: First rigorous research looked at HIV patients
Sabin Russell, San Francisco Chronicle

February 13, 2007 Research Supports Medicinal Marijuana: AIDS Patients in Controlled Study Had Significant Pain Relief
Rick Weiss, Washington Post

February 13, 2007 Pot eases HIV patients' pain, study finds: Three marijuana cigarettes daily effective, according to new report from UCSF
Rebecca Vesely, Oakland Tribune

February 13, 2007 UC study: Pot May cut nerve pain
Carrie Peyton Dahlberg, Sacramento Bee

February 13, 2007 Marijuana May Ease AIDS Patients' Foot Pain: The smoked drug lessens a burning numbness that accompanies the illness, study finds
Randy Dotinga, HealthDay

February 13, 2007 HIV patients smoking marijuana eases pain, scientists report
Paul Elias, Associated Press

February 12, 2007 Smoked Cannabis Reduces Pain Caused by Peripheral Neuropathy
Press Release, University of California, San Francisco

June 12, 2005 Scientifically Speaking, This Drug's on the Wrong List
Editorial By Daniele Piomelli in the Washington Post

June 8, 2005 Ailing Users Loyal to Pot: Despite High Court's Ruling, They See No Alternatives
Lesli A. Maxwell and Edie Lau, Sacramento Bee

June 7, 2005 Science Murky on Drug's Effects: Is it More Effective Than Medications?
Byron Spice, Pittsburgh Post-Gazette

November 15, 2004 Marijuana research hasn't created a buzz: Medicinal cannabis studies are going more slowly than expected as the state's voters back stem cell work
Edie Lau, Sacramento Bee

March 28, 2004 Family remedy: Shelly Arnold's home-grown answer to her son's pain tests the acceptance of medical marijuana
Will Evans, Sacramento Bee

November 24, 2003 Reefer Sanity, The brain's cannabinoid is the target of a rush (ha!) to develop new drugs
Meredith Wadman, Fortune Magazine

August 29, 2003 Medical Marijuana Slowly Gains Ground
Daniel DeNoon, WebMD Medical News

August 20, 2003 Medical Marijuana Center Opens Doors
Brian Vastag, JAMA. 2003; 290:877-879

July 1, 2003 Heavy Marijuana Use Doesn't Damage Brain
Sid Kirchheimer, WebMD Health News

June 27, 2003 Minimal Long-Term Effects Of Marijuana Use Found in Central Nervous System by UCSD Researchers
UCSD Health Science News

June 27, 2003 Study: Pot Doesn't Cause Permanent Brain Damage
Deena Beasley, Reuters Health E-Line

June 27, 2003 Study: Pot doesn't hurt thinking skills
Jenny Diamond, San Diego Union Tribune

May 1, 2003 The Myth of "Harmless" Marijuana
John P. Walters, The Washington Post

April 14, 2003 Marijuana Compounds May Act Without Causing High
Jacqueline Stenson, Reuters Health

February 2003 Medical Marijuana
Heather Bentley, San Diego Physician

October 27, 2002 Is Pot Good For You?
John Cloud,

October 14, 2002 Marijuana study tries to bring facts to heated debate
Linda Marsa, The Los Angeles Times (

April 7, 2002 Smoking out pot's medical potential
Edie Lau, The Sacramento Bee

March 5, 2002 Segment from NPR's All Things Considered titled, "Marijuana and the Brain"
Articles discussed in the segment:
Cannabis, Cognition, and Residual Confounding
Cognitive Functioning of Long-term Heavy Cannabis Users Seeking Treatment

December 16, 2001 Letter to the NYT Editor
Igor Grant, M.D., CMCR Director

December 15, 2001 Cannabis research to start early next year
Philip J. Hilts, New York Times

November 28, 2001 CMCR receives DEA approval for 2 studies
Press Release, University of California

June 25, 2001 The Supreme Court ruling against manufacturing and distributing medicinal cannabis exempts research
A.J.S. Rayl, The Scientist

February 22, 2001 CMCR approves research studies
Press Release, University of California

August 29, 2000 CMCR established at the University of California
Press Release, University of California

Thomas Marcotte, PhD

Presentation before the Canadian House of Commons
(September 2017)

Igor Grant, MD

UC San Diego Department of Psychiatry Grand Rounds: Medicinal Cannabis
(July 2017)

Igor Grant, MD

American Psychological Association Plenary Address: Marijuana as Medicine: Can we see past the smoke?
Denver, CO (August 2016)

Barth Wilsey, MD

Marijuana and Cannabinoids: A Neuroscience Research Summit;
Bethesda, MD (March 2016)


Igor Grant, MD, FRCP(C) American Association for the Advancement of Science Annual Meeting

McGill University Health Centre - Research Institute
(February 2015)

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