Marijuana News
May 21, 2019

Top Headlines

Legal Marijuana Reduces Chronic Pain, but Increases Injuries and Car Accidents

The legalization of recreational marijuana is associated with an increase in its abuse, injury due to overdoses, and car accidents, but does not ... read more

One in 7 Washington State Drivers With Children in the Car Recently Used Marijuana

According to a roadside survey conducted in Washington State, 14.1% of drivers with children in the car -- nearly one in seven -- tested positive for ... read more

Exposure to Cannabis Alters the Genetic Profile of Sperm

New research suggests men in their child-bearing years should consider how THC could impact their sperm and possibly the children they conceive during periods when they've been using the drug. Much ... read more

Largest Brain Study of 62,454 Scans Identifies Drivers of Brain Aging

In the largest known brain imaging study, scientists evaluated 62,454 brain SPECT (single photon emission computed tomography) scans of more than 30,000 individuals from 9 months old to 105 years of ... read more
Latest Headlines
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Earlier Headlines

Severe Psychological Distress and Daily Cannabis Use: Implications for Mental Health?

Daily cannabis use increased significantly from 2008 to 2016 among those with and without past-month serious psychological distress (SPD) and use among those with SPD was persistently higher compared ... read more

Cannabis During Pregnancy Bumps Psychosis Risk in Offspring

Pregnant women who use cannabis may slightly increase the risk their unborn child will develop psychosis later in life, suggests new ... read more

Patients With or Without Cancer Use Different Forms of Marijuana, Study Finds

A new study shows that compared to other patients, cancer patients use different forms of medical marijuana for unique ... read more

Surge in Cannabis Use Among Youth Preceded Legalization in Canada

National discussions on cannabis legalization, along with increased access to medical marijuana, may have encouraged more high school students to consume the drug years before it became legal in ... read more

Medical Marijuana Laws Linked to Health and Labor Supply Benefits in Older Adults

A study that examined older Americans' well-being before and after medical marijuana laws were passed in their state found reductions in reported pain and increased hours worked. The study ... read more

Most Teens Report Using Marijuana Less Often After Legalization

Only one group of teenagers used marijuana more often after retail sales were legalized in Washington than they did before -- high school seniors who work 11 or more hours per week, according to new ... read more

Could Medical Marijuana Help Older People With Their Ailments?

Medical marijuana may bring relief to older people who have symptoms like pain, sleep disorders or anxiety due to chronic conditions including amyotrophic lateral sclerosis, Parkinson's disease, ... read more

Junk Food Purchases Increase After Recreational Marijuana Legalization

New research found a link between state recreational marijuana legalization and increased consumption of certain high-calorie ... read more

Yeast Produce Low-Cost, High-Quality Cannabinoids

Synthetic biologists have created an enzymatic network in yeast that turns sugar into cannabinoids, including tetrahydrocannabinol and cannabidiol, but also novel cannabinoids not found in the ... read more

THC Found More Important for Therapeutic Effects in Cannabis Than Originally Thought

Researchers recently solved a major gap in scientific literature by using mobile software technology to measure the real-time effects of actual cannabis-based products used by millions of people ... read more

A 'Joint' Problem: Investigating Marijuana and Tobacco Co-Use

A survey of marijuana and tobacco co-users investigators found that co-users with high degree of interrelatedness between their use of the two substances had greater tobacco dependence and smoked ... read more

No Evidence Tougher Policies Deter Adolescent Cannabis Use

A new study has found no evidence that teenage cannabis use is lower in countries with tougher ... read more

Parents: Keep Medical Marijuana Dispensaries Away from Kids

Seven in 10 parents think they should have a say in whether dispensaries are located near their child's school or daycare and most say they should be banned within a certain distance of those ... read more

Cannabis Use in Teens Linked to Risk of Depression in Young Adults

Cannabis is the most commonly used recreational drug by teenagers worldwide. In Canada, among youth aged 15 to 19 years, the rate of past-year cannabis use is 20.6 percent, while in England, 4 ... read more

Potent Marijuana Edibles Can Pose a Major Unrecognized Risk to Patients With Cardiovascular Disease

With widespread legalization and increasing use, more care, education a research needed about how each marijuana formulation may affect and sometimes compromise the cardiovascular system of our aging ... read more

Parenting in the Age of Legal Pot: Household Rules, Conversations Help Guide Teen Use

The legalization of marijuana in Washington state in 2012 gave parents the opportunity for a new teachable moment. Many say that as society has become more permissive, they want information and ... read more

Traffic Fatalities on a High After Cannabis Legalization

Legalizing the sale of cannabis for recreational use can lead to a short-term increase in traffic fatalities in legalizing states and their neighboring jurisdictions, new research ... read more

What Drives Patients to Use Medical Marijuana: Mostly Chronic Pain

A new study seeks to understand whether people are using medical cannabis for evidence-based ... read more

Cannabis Use Disorder: The Policy Climate Matters

Adolescents and young adults living in states with more liberal policies reported higher average rates of past-year cannabis use than those in states with more conservative policies. However, the ... read more

Some Pregnant Women Don't Believe Cannabis Is Harmful to Their Fetus

Up to one-third of pregnant women do not believe cannabis is harmful to their fetus, according to a new ... read more

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