• Uptick in Prevalence of Simultaneous Cannabis and Alcohol Use in the U.S. After States Legalize Recreational Cannabis Use

• Pregnant Women's Cannabis Usage in Legalized U.S. States Raises Calls for Screening

• Legalization of Recreational Cannabis Linked With Increased Alcohol Drinking, Study Finds

• Cannabis Not Made Safer by Increasing Its CBD Content, Study Finds

• Cannabis Legalization Boosts Use by Double Digits

• People Who Use Therapeutic Cannabis Are More Likely to Use Nicotine, Too

• Adolescents More Vulnerable to Cannabis Addiction but Not Other Mental Health Risks, Study Finds

• Major Uptick Reported in Cannabis Vaping for All Adolescents

• Four-Year College Students Drink More, Use Marijuana Less Than Community College Peers, Study Finds

• Fruit Snack or Edible? Study Finds Some Cannabis Products Look Like Popular Snacks

• Brain Stimulation Shows Promise as Treatment for Cannabis Use Disorder in People With Schizophrenia

• How Does Cannabis Use Affect Brain Health? Caution Advised, More Research Needed, Experts Say

• Cannabis Poisoning in Young Children Increased Nine Times After Legalization

• Marijuana Users’ Risk of Deadly Complication Doubles After Rare Type of Bleeding Stroke

• Breast Milk of Marijuana Users Does Not Hurt Short-Term Health of Early Premature Infants, Long-Term Effects Still Unknown

• ‘The Mother of All Cannabinoids’: Anti-Seizure Compounds Discovered in Cannabis

• Passage of Recreational Cannabis Laws Leads to Some Rise in Use but Not for All Demographics

• Smartphone Sensor Data Has Potential to Detect Cannabis Intoxication

• Teens Who Use Cannabis Frequently More Likely to Have Premature Baby

• Cancer Patients Use Less Marijuana Than General Public, Study Finds

• Study Shows Strong Association Between Perceived Risk, Availability and Past-Year Cannabis Use

• Novel Study of High-Potency Cannabis Shows Some Memory Effects

• Adolescent Marijuana, Alcohol Use Held Steady During COVID-19 Pandemic
• People With Fibromyalgia Are Substituting CBD for Opioids to Manage Pain

• Early Exposure to Cannabis Compounds Reduces Later Neural Activity in Zebrafish

• Peptide Could Allow Medical Marijuana to Relieve Pain Without Side Effects

• Genetic Predisposition to Schizophrenia May Increase Risk of Psychosis from Cannabis Use

• Early Cannabis Use Linked to Heart Disease

• Cannabis Legalization and Link to Increase in Fatal Collisions

• Heritable Traits That Appear in Teen Years Raise Risk for Adult Cannabis Use

• Medical Cannabis Can Reduce Essential Tremor: Turns on Overlooked Cells in Central Nervous System

• Sharp Reductions in Costs of Producing Cannabis, Fentanyl Likely to Spur Widespread Changes in Use, Dependence

• Frequent Cannabis Use by Young People Linked to Decline in IQ

• Legal Cannabis Stores Linked to Fewer Opioid Deaths in the United States

• The Dangers of Drugged Driving Are Outpacing Drunk Driving
• Cannabis Use Both Helps and Hurts Entrepreneurial Creativity

• Drink and Drug Risk Is Lower Among Optimistic Pupils With 'happy' Memories

• Marijuana Use Typically Drops at the Beginning of the Year, Then Climbs in Summer and Fall

• More Than Half of People Using Cannabis for Pain Experience Multiple Withdrawal Symptoms

• Cannabis Use Blunts Stress Reactivity in Female Rats

• Experimental Vaccine Can Counter Dangerous Effects of Synthetic Cannabinoids

• Cannabis Strength Soars Over Past Half Century

• Cannabis Reduces OCD Symptoms by Half in the Short-Term

• Prenatal Cannabis Exposure Linked to Cognitive Deficits, Altered Behavior

• More Young Adults Are Abstaining from Alcohol

• Cannabis Ads and Store Location Influence Youth Marijuana Use
• Cannabis Use Appears to Encourage, Not Replace, Non-Medical Opioid Use

• Older Adults Using Cannabis to Treat Common Health Conditions

• It Is Time to Embrace Cannabis for Medicinal Use, Say Experts

• Pain Tolerance Among Cannabis Users

• Study of Siblings Finds Moderate Cannabis Use Impacts Cognitive Functioning

• Rates of E-Cigarette and Marijuana Use Not Associated With Vaping-Related Lung Injuries, Study Finds

• Cannabinoids May Affect Activity of Other Pharmaceuticals

• Legal Marijuana May Be Slowing Reductions in Teen Marijuana Use

• Marijuana Use While Pregnant Boosts Risk of Children's Sleep Problems