Quick Hits

Welcome to Project CBD Quick Hits, where we collect some of the most interesting and informative tidbits of research into cannabis over the past week.
Posted: January 1, 2020
Two dropper bottles lay on an aqua background. Their pink labels read "Acid" and "LSD," respectively.
One of the biggest issues with an unregulated drug market is the presence of adulterants. Many of the adulterants found in samples of LSD are potentially lethal - unlike the drug they intend to mimic. Read more
Posted: November 26, 2019
A rat looks out of a hear-shaped hole in a pink background.
Uruguayan researchers found that a low dose of cannabis increased some mating behaviors, a high dose reduced them, and any dose increased sensitivity to pleasurable touch.  Read more
Posted: November 15, 2019
A cannabis leaf sits on the middle console of a car with a car key laid on top. There's a sun spot in the upper left hand corner of the photograph.
High cannabis users consistently drive more slowly than those who don’t use. And when users aren’t high, they drive more cautiously and consistently than non-users. Researchers try to make this sound like a bad thing. Read more
Posted: November 14, 2019
Three happy students looking at you with thumbs up in an university campus.
A letter published in the Journal of the American Medical Association (JAMA) highlighted that legalizing adult use of cannabis is correlated with lower rates of teen use. Read more
Posted: November 5, 2019
An illustration of a person in a white hazmat suit with a backpack-style sprayer on their back. They are standing and spraying on an aqua background.
The EPA has refused to provide pesticide regulations for the cannabis industry. So states have to create their own regulations by banning and “recommending” the pesticides they deem appropriate. A new study examines batches of cannabis that failed pesticide screening in Oregon.  Read more

More quick hits

Posted: November 4, 2019
An illustration of two doctors, on female-presenting and one male presenting. She carries an giant prescription pill bottle while he gives a thumbs up and carries a clipboard.
A recent publication described some aspects of the interaction between cannabidiol and the antiepileptic drug clobazam. But they’re a little late to the game.
Posted: October 29, 2019
An illustration of a subway car on an acqua background.
CBD has shown some promise in anxiety and panic disorders, from public speaking to schizophrenia. A group of London researchers followed up on these results with an experiment published in the Journal of Psychopharmacology.
Posted: October 21, 2019
A cold glass of beer with cannabis leaf floated on top of the head, sits in front of an aqua and yellow background. The colors are split on an angle, and the beer sits on the split.
Confused about cannabis addiction and withdrawal? So are the experts. Researchers were recently surprised to find that cannabis use was not well correlated with its own supposed withdrawal syndrome.
Posted: October 18, 2019
Photograph of two nutmeg seeds shadowed by a pair of green leaves on a white background. One of the seeds is ground down, and a pile of ground nutmeg sits in the foreground.
Compounds from nutmeg, a spice already well-known for its hallucinogenic effects at high doses, may also interact with our endocannabinoid systems.
Posted: October 3, 2019
A joint, loose flower, and a set of Subaru car keys on a white background.

“[T]he degree of impairment resulting from recent cannabis use is difficult to distinguish from other conditions such as advancing age or use of certain medications,” according to a review in The American Journal of Drug and Alcohol Abuse. It begs the question of why cannabis should be treated differently.

Posted: October 2, 2019
A cartoon-like illustration of a red car t-boning a yellow car on an aqua background.
A recent analysis examined the incidences of fatal car crashes in the five years before and after cannabis legalization in Colorado and Washington.
Posted: October 1, 2019
An illustration of a blue stethescope on a background of bright green cannabis leaves.
After over a century of failing to find a causal link between cannabis use and schizophrenia, proponents of Reefer Madness have had to couch their warnings.
Posted: September 30, 2019
A young couple, one male presenting and one female presenting, laugh and hug while sharing a joint in front of an open blue sky.
Scientists examined how savoring positive experiences predicts aspects of problematic cannabis use, but the numbers don’t add up.
Posted: September 25, 2019
Fit and healthy woman running. African female runner sprinting on pink background.
Evidence is accumulating that the endocannabinoid system contributes significantly to the so-called “runner’s high.”
Posted: September 24, 2019
Two hands of an elderly woman sitting on a chair
Cannabinoids seem promising for treating the symptoms or progression of rheumatoid arthritis. A new controlled trial seeks to study CBD and THC’s impacat on arthritic pain.
Posted: September 23, 2019
Vector of a human brain made of marijuana leaves.
Brazilian researchers looked into CBD’s health effects in an animal model of diabetic brain damage due to oxygen deprivation and found promising results.
Posted: September 20, 2019
Flat lay of dark green vegetables including cabbage, cilantro, leeks, pablano peppers, kale, lettuce, avocado, broccoli, and celery.
β-caryophyllene (BCP) is a terpene present in cannabis as well as many dark green, leafy vegetables. This CB2 activator could be beneficial in treating many problems associated with type 2 diabetes.
Posted: September 12, 2019
Marijuana leaves and a cup of coffee on white
It is increasingly recognized that cannabidiol can moderate many of the effects of THC, but the mechanisms by which CBD does this aren’t obvious. The neurotransmitter adenosine may be one important link.
Posted: September 12, 2019
Cups of coffee with marijuana and roasted beans on a table
Some research has shown that caffeine can amplify the short-term forgetfulness caused by THC. A new study indicates that the caffeine may block other effect of cannabinoids.
Posted: September 11, 2019
Close up pouring purified fresh drink water from the bottle on table in living room
Dosing CBD and other cannabinoids is challenging. An article in Molecules detailed the absorption and kinetics of a new formulation of self-emulsifying CBD.
Posted: September 10, 2019
Portrait of tender gentle romantic sweet lovely open-hearted african man showing big red heart in hands isolated on gray background
Researchers from eight different countries recently collaborated on an article warning about the dangers of teens falling in love.
Posted: September 9, 2019
Close up portrait of beautiful young black woman smiling outdoors
The protective effect of cannabinoids for those living with Type 2 diabetes and obesity is particularly pronounced among people with schizophrenia. Why?
Posted: July 23, 2019
Keto diet & CBD, cannabis
A recent study from pharmacologists at the University of Minnesota examined how eating a meal affects the absorption of CBD.
Posted: July 20, 2019
One broad effect of CBD and THC is the stimulation of neurogenesis — the production and integration of new neurons in the brain. Researchers in Barcelona, Spain, recently studied how CBD would affect addiction and learning in mice when neurogenesis was artificially prevented.
Posted: July 16, 2019
endometrial cancer and cbd
Recent research has indicated a role of endocannabinoids in endometriosis and related diseases. A study published in Frontiers in Oncology sought to determine whether endometrial cancer could be predicted by someone’s levels of the two canonical cannabinoid receptors (CB1 and CB2) and three related fatty acids (anandamide, OEA, and PEA).