Science Category

October 12th, 2020

More young adults are abstaining from alcohol

Fewer college-age Americans drink alcohol, compared to nearly 20 years ago, according to a new study.

October 10th, 2020

Cannabis use appears to encourage, not replace, non-medical opioid use

Contrary to some claims, people in the US may not be substituting cannabis for opioids, New research examined the direction and strength of association between…

October 8th, 2020

Older adults using cannabis to treat common health conditions

Researchers report that older adults are increasingly using cannabis to treat a variety of common health conditions, including pain, sleep disturbances and psychiatric conditions like…

October 8th, 2020

Cannabis ads and store location influence youth marijuana use

States may want to consider the proximity of cannabis retailers and cannabis advertising to neighborhoods to prevent underage use of the drug, according to new…

September 22nd, 2020

It is time to embrace cannabis for medicinal use, say experts

Attitudes towards cannabis products for medicinal use need to change with much greater appropriate use of such products to help alleviate patients’ pain, suggests new…

September 12th, 2020

Study of siblings finds moderate cannabis use impacts cognitive functioning

A new study compares adolescent siblings to determine the impact of early and frequent use of marijuana on cognitive function. This study contrasts with previous…

September 10th, 2020

Pain tolerance among cannabis users

A recent study examining pain among cannabis users suggests that — unlike long-term opioid use — regular cannabis use does not appear to increase pain…

August 26th, 2020

Rates of e-cigarette and marijuana use not associated with vaping-related lung injuries, study finds

Higher rates of e-cigarette and marijuana use in U.S. states did not result in more e-cigarette or vaping-related lung injuries (known as EVALI), a new…

August 5th, 2020

Cannabinoids may affect activity of other pharmaceuticals

Cannabinoid-containing products may alter the effects of some prescription drugs, according to researchers. They published information that could help medical professionals make safe prescribing choices…

July 23rd, 2020

Legal marijuana may be slowing reductions in teen marijuana use

A longitudinal study of more than 230 teens and young adults in Washington state finds that teens may be more likely to use marijuana following…

July 3rd, 2020

Marijuana use while pregnant boosts risk of children's sleep problems

As many as 7% of moms-to-be use marijuana while pregnant, and that number is rising fast as more use it to quell morning sickness. But…

June 11th, 2020

Marijuana concentrates spike THC levels but don't boost impairment

A study of 121 regular users of legal market cannabis found that higher potency does not necessarily mean greater intoxication. It also found that while…

June 10th, 2020

Cannabis temporarily relieves PTSD symptoms, study suggests

People suffering from post-traumatic distress disorder report that cannabis reduces the severity of their symptoms by more than half, at least in the short term,…

May 29th, 2020

Users of high-potency cannabis four times more likely to report associated problems

Users of high-potency cannabis are four times more likely to report associated problems, and twice as likely to report anxiety disorder, than users of lower-potency…

May 21st, 2020

Legal cannabis hemp oil effectively treats chronic neuropathic pain

Researchers examine the effectiveness of consuming hemp oil extracted from the whole cannabis plant using a chronic neuropathic pain animal model. Researchers showed that legal…

May 16th, 2020

Minimum legal age for cannabis use should be 19, study suggests

The optimal minimum legal age for non-medical cannabis use is 19 years of age, according to a new study.

May 6th, 2020

Researchers develop chemistry needed to create marijuana breathalyzer

Chemists report the key chemical discovery necessary for the creation of a small, electronic marijuana breathalyzer.

April 24th, 2020

How much does it cost California cannabis growers to safety test?

The high cost of testing cannabis in California leads to higher prices for the consumer, which could drive consumers to unlicensed markets. A new study…

April 16th, 2020

Frequent cannabis users are way too high … in their estimates of cannabinoids

Researchers surveyed nearly 500 Hash Bash attendees, asking them to fill out a 24-item questionnaire. Participants were asked to fill in, in milligrams, the amounts…

April 9th, 2020

Whether marijuana helps with pain is unclear

Medical marijuana users who say they have high levels of pain are more likely than those with low pain to say they use cannabis three…

April 5th, 2020

Saliva test for cannabis could someday help identify impaired drivers

Those who consume alcohol and drive are often subjected to roadside stops, breathalyzer tests and stiff penalties if their blood alcohol content exceeds certain limits.…

April 3rd, 2020

Marijuana may impair female fertility

Female eggs exposed to THC, the psychoactive ingredient in marijuana, have an impaired ability to produce viable embryos, and are significantly less likely to result…

March 30th, 2020

New research sheds light on potentially negative effects of cannabis

Coughing fits, anxiety and paranoia are three of the most common adverse reactions to cannabis, according to a recent study.

March 27th, 2020

Legal marijuana products too strong for pain relief

More than 90% of the legal marijuana products offered in medical dispensaries are much stronger than what clinical studies have shown that doctors recommend for…

March 1st, 2020

Artisanal CBD not as effective as pharmaceutical CBD for reducing seizures

Children and teens with epilepsy who were treated with pharmaceutical cannabidiol (CBD) had much better seizure control than those who were treated with artisanal CBD,…

February 15th, 2020

Preclinical study links human gene variant to THC reward in adolescent females

A common variation in a human gene that affects the brain’s reward processing circuit increases vulnerability to the rewarding effects of the main psychoactive ingredient…

February 10th, 2020

Study paints picture of marijuana use in pregnant women

As marijuana is increasingly being legalized in US states, daily marijuana use among pregnant women is rising, despite evidence that this could harm their babies.…

February 7th, 2020

Few consumers understand THC levels in cannabis edibles

Few cannabis consumers understand what the THC numbers on packages of cannabis edibles really mean, according to a new study. The study, which surveyed nearly…

January 25th, 2020

Medicinal cannabis may not ease sleep problems in the long run

Medicinal cannabis might not ease sleep problems in people with chronic pain over the long term, because frequent users might build up tolerance to its…

January 17th, 2020

Focus on opioids and cannabis in chronic pain media coverage

New Zealand media reports on chronic pain are focusing on treatments involving opioids and cannabis at the expense of best practice non-drug treatments, researchers have…

January 17th, 2020

Real risks associated with cannabis exposure during pregnancy

A new study has definitively shown that regular exposure to THC, the main psychoactive ingredient in cannabis, during pregnancy has significant impact on placental and…

January 16th, 2020

Study sheds light on link between cannabis, anxiety and stress

A molecule produced by the brain that activates the same receptors as marijuana is protective against stress by reducing anxiety-causing connections between two brain regions,…

January 15th, 2020

College students use more marijuana in states where it's legal, but they binge drink less

Marijuana use among college students has been trending upward for years, but in states that have legalized recreational marijuana, use has jumped even higher. A…

January 15th, 2020

Impaired driving — even once the high wears off

Researchers have discovered that recreational marijuana use affects driving ability even when users are not intoxicated. Cannabis users had more accidents, drove at higher speeds,…

January 9th, 2020

Marijuana detected in homicide victims nearly doubles

Researchers assessed the time trends in alcohol and marijuana detected in homicide victims and found that the prevalence of marijuana almost doubled, increasing from 22…

December 21st, 2019

Scientists discover medicinal cannabis substitute for treating Parkinson's disease

A drug that provides the benefits obtained from medicinal cannabis without the ‘high’ or other side effects may help to unlock a new treatment for…

December 10th, 2019

Study reveals increased cannabis use in individuals with depression

New findings reveal the prevalence of cannabis, or marijuana, use in the United States increased from 2005 to 2017 among persons with and without depression…

December 6th, 2019

Medical marijuana cards often sought by existing heavy users

Young adults who seek enrollment in state medical marijuana programs are often those who already use heavily rather than those with mental or physical issues…

December 1st, 2019

Increase in calls to US poison control for natural psychoactive substances

A new study found there were more than 67,300 calls to US Poison Control Centers regarding exposures to natural psychoactive substances. The study looked at…

November 25th, 2019

Cannabis reduces headache and migraine pain by nearly half

Inhaled cannabis reduces self-reported headache severity by 47.3% and migraine severity by 49.6%, according to a recent study. The study also found no evidence that…