Science & Research

A recent report found positive drug tests in the U.S. reached a 16-year high at the close of 2019. However, while the rate of positive drug tests increased overall, there was a decline in positive tests for certain substances including opioids.

Researchers at UC San Diego have launched a first-of-its-kind study into the effectiveness of cannabis as a treatment for acute migraines.

A recent study found that cannabis legalization leads to lower prices in a state’s unlicensed cannabis market and an increase in the prices of illicit drugs and illegally obtained pharmaceuticals.

The DEA informed some companies on Friday it was prepared to approve their cannabis research cultivation applications. The move will ultimately end the University of Mississippi’s decades-long monopoly on research-grade cannabis.

The National Institute on Drug Abuse announced last week it had set the standardized THC dose for cannabis research at five milligrams.

A 20-year study investigating sets of identical twins with different cannabis habits found no evidence of significant long-term impact on cognitive abilities due to cannabis use.

Two new studies show that cannabis use is associated with greater levels of exercise, further debunking the false “lazy stoner” stereotype.

Researchers at the University of Sydney’s Lambert Initiative for Cannabinoid Therapeutics found via a meta-analysis of 80 separate studies that cannabis impairment lasts on average somewhere between 3 and 10 hours.

A federally-funded study has found that biofluid and traditional sobriety tests are unreliable at measuring cannabis impairment in drivers.

Oregon State University has received nearly $300,000 in federal grants to investigate the safe use of using spent hemp biomass to feed cattle.

A recent study found that an eighth of legal cannabis can carry up to a 41-pound carbon footprint.

A recent study investigating treatments for ulcerative colitis found that 90% of medical cannabis patient-participants reported decreased stomach pain after conventional medicines had failed them.

A recent study from the University of Michigan found that teens who use cannabis vape pens have a higher risk of lung injury than those who vape nicotine or even smoke cigarettes or cannabis.

Researchers at the Imperial College London say that any psychological benefits of microdosing LSD — which are frequently described, at least anecdotally — are likely caused by the placebo effect.

California nonprofit Battle Brothers Foundation has been approved to launch an observational study covering the use of medical cannabis to help treat PTSD in veterans.

A preliminary CBG study found that the cannabinoid showed effectiveness at impairing the progression of glioblastoma, which is considered the most aggressive of primary brain tumors.

A recently published German study showed that cannabis could be a promising treatment for reducing pain and muscle cramps in Parkinson’s patients.

A study has demonstrated CBD could be used to kill Gram-negative bacteria, which is responsible for certain drug-resistant diseases such as gonorrhea and meningitis.

A recent study found that adult-use cannabis legalization may lead to increased junk food sales.

A recent study by researchers from the University of Michigan and the VA Ann Arbor Health Care System investigates “cannabis withdrawal syndrome” by looking at two year’s worth of surveys from 527 Michigan medical cannabis patients.

The Saint Regis Mohawk Tribe in New York has agreed to lease about 20 acres of tribal land to MMJ BioPharma Cultivation Inc. to grow cannabis that will be sold to researchers.

A recent study funded by the Colorado Department of Public Health and Environment found that patients suffering from PTSD who used medical cannabis reported a greater decrease in symptoms than a control group.

A recent study shows that cannabis can improve treatment outcomes for people in care for opioid addiction.

The DEA published a new rule on Thursday that will allow researchers to apply to cultivate cannabis for research purposes.