Marijuana News
June 3, 2025
Top Headlines
June 2, 2025 — Marijuana use among older adults in the US has reached a new high, with 7 percent of adults aged 65 and over who report using it in the past month, according to a recent ...
May 28, 2025 — A new study finds that chronic cannabis use -- whether it's smoked or consumed in edible form -- is associated with significant cardiovascular ...
Cannabis Study: Legalization Reduces Problematic Consumption, Particularly Among Certain Individuals
May 7, 2025 — Researchers are investigating how the legal supply of cannabis affects consumption and mental health among participants. In a first academic publication, the study team has now reported on the direct ...
Apr. 10, 2025 — A recent study found that people may perceive fewer negative effects of alcohol if they are also using cannabis at the same ...
Latest Headlines
updated 10:46pm EDT
Apr. 9, 2025 — A new study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with ...
Apr. 2, 2025 — Patients prescribed medicinal cannabis in Australia maintained improvements in overall health-related quality of life (HRQL), fatigue, and sleep ...
Mar. 21, 2025 — A new study has analyzed and compared the fatty acids in the blood of individuals with schizophrenia, of those with cannabis use disorder and of ...
Mar. 18, 2025 — Marijuana is now legal in many places, but is it safe? Two new studies add to mounting evidence that people who use cannabis are more likely to suffer a heart attack than people who do not use the ...
Mar. 5, 2025 — Researchers have developed a compound that relieves pain in mice but doesn't affect the brain, thereby avoiding mind-altering side effects and abuse potential. The custom-designed molecule, derived ...
Feb. 20, 2025 — A new study analyzes the disease burden and the risk factors for severity among people who suffer from a condition called cannabinoid hyperemesis syndrome. Researchers say the condition occurs in ...
Jan. 23, 2025 — Researchers analyzed cannabis smoking practices to assess whether in-home smoking was associated with cannabis detection in ...
Jan. 28, 2025 — A new study explores the effects of both recent and lifetime cannabis use on brain function during cognitive tasks. The study, the largest of its ...
Jan. 13, 2025 — A new study found no changes in opioid outcomes among the general population with the states' passage of medical and recreational marijuana laws. However, the findings also show decreases in opioid ...
Dec. 4, 2024 — Teens who think their parents use cannabis are more likely to hold favorable attitudes toward the drug and to consider trying it themselves, according to a new study. The research also reveals that ...
Earlier Headlines
Nov. 15, 2024 — A study found that people are less likely to consume cannabis if they had an upcoming activity, which is consistent with other studies, and would reduce use the most for job interviews and caring for ...
Nov. 14, 2024 — Evidence has been growing to suggest that tetrahydrocannabinol (THC), the main psychoactive ingredient in cannabis, poses risks to the developing fetus by impacting brain development. Now a new ...
Nov. 13, 2024 — An exploratory study has examined metabolomic patterns associated with psychotic-like experiences in adolescents, highlighting the influence of cannabis ...
Nov. 11, 2024 — Research shows that a non-hallucinogenic marijuana constituent increases both REM and non-REM sleep in rats. Human trials are now under ...
Oct. 30, 2024 — A new study, using responses from the U.S. National Survey on Drug Use and Health, has found that about 6 percent of pregnant women reported using marijuana during the last month, and many did not ...
Oct. 28, 2024 — Using a national survey of 88,183 adolescents in grades nine to 12, findings show marijuana use declined from 23.1% in 2011 to 15.8% in 2021, with first-time use before age 13 dropping from 8.1% to ...
Oct. 28, 2024 — As cannabis is legalized and is more accessible in various forms across the country, there is increasing concern among health care providers about potential impact on children. Researchers have new ...
Oct. 23, 2024 — A new paper explains why there needs to be a shift in cannabis policies to a public health approach as opposed to the prevailing, more punitive approach that pushes abstinence instead of public ...
Oct. 23, 2024 — A collaborative study sheds light on how cannabis use affects brain development in young people, the main one being atrophy of certain regions of the cerebral ...
Oct. 16, 2024 — A new study suggests that the use of high potency cannabis leaves a distinct mark on DNA, providing valuable insights into the biological impact of cannabis ...
Oct. 2, 2024 — A study reveals a gap between patient and physician attitudes on medical marijuana ...
Oct. 2, 2024 — Researchers show that a pill form of the drug dronabinol, an FDA-approved synthetic version of marijuana's main ingredient, THC, reduces agitation in patients with Alzheimer's by an average ...
Aug. 13, 2024 — Adolescents were more likely to have consumed alcohol or tried marijuana by age 15 if they had later bedtimes and slept fewer hours during the night during childhood and adolescence, according to a ...
July 31, 2024 — A lesser-known cannabinoid that is gaining in popularity Cannabigerol (CBG) effectively reduced anxiety in a clinical trial without the intoxication typically associated with whole plant cannabis. It ...
July 5, 2024 — Researchers outline some of the intermediate biological steps that could play into how prenatal cannabis exposure leads to behavioral issues down the ...
June 5, 2024 — Nearly one in six patients in primary care reported cannabis use, with 35% of those using at levels indicating moderate- to high-risk use disorder. The findings indicate the need for routine cannabis ...
May 23, 2024 — A new study assessed cannabis use in the United States between 1979 and 2022, finding that a growing share of cannabis consumers report daily or near-daily use and that their numbers now exceed those ...
May 8, 2024 — When breastfeeding mothers in a recent study used cannabis, its psychoactive component THC showed up in the milk they produced. The research also found that, unlike alcohol, when THC was detected in ...
Apr. 10, 2024 — New research adds to evidence that a chemical found naturally in cannabis can -- in the right amounts -- lessen the anxiety-inducing effects of tetrahydrocannabinol (THC), the primary psychoactive ...
Mar. 12, 2024 — Approximately 11% of 12th-grade students across the United States reported past-year use of delta-8- tetrahydrocannabinol (delta-8-THC, or delta-8 for short), according to an analysis of data from ...
Friday, November 15, 2024
Thursday, November 14, 2024
Wednesday, November 13, 2024
Monday, November 11, 2024
Wednesday, October 30, 2024
Monday, October 28, 2024
- Dramatic Drop in Marijuana Use Among U.S. Youth Over a Decade (2011 to 2021)
- Cannabis Use During Pregnancy Can Impact Thinking and Learning Skills, Increase Aggression Among Children, Study Shows
Wednesday, October 23, 2024
- Researchers Show Why Cannabis Policies Should Shift to a Harm Reduction, Health Promotion Approach to Safeguard Public Health
- Cannabis Use in Adolescence: Visible Effects on Brain Structure
Wednesday, October 16, 2024
Wednesday, October 2, 2024
- Chronic Pain Patients Are More Supportive of Cannabis Access Than Doctors
- Clinical Trial Shows Synthetic Cannabis Reduces Agitation in Alzheimer's Disease