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Patterns of Cannabis and Alcohol Co-Use: Substitution Versus Complementary Effects

Introduction

Use of alcohol and related problems cause significant global and individual health-related harms, and alcohol use is currently the third-leading cause of preventable death in the United States.1,2 Alcohol and cannabis are among the most commonly used psychoactive substances in the United States.3 Although concurrent use of alcohol and cannabis (i.e., co-use: defined as using both...

Fetal Alcohol Spectrum Disorders: Awareness to Insight in Just 50 Years

Introduction

The establishment of the National Institute on Alcohol Abuse and Alcoholism (NIAAA) in 1971 was bracketed by three seminal papers that laid the groundwork for the field of fetal alcohol spectrum disorders (FASD) research. In 1968, Lemoine et al.1 described children with birth defects and neurodevelopmental disorders associated with prenatal alcohol exposure (PAE). This French...

Relationships of Cannabis Policy Liberalization With Alcohol Use and Co-Use With Cannabis: A Narrative Review

Introduction

For the past 25 years, a growing number of U.S. states have been progressively legalizing cannabis markets, first through the early adoption of medical cannabis laws, which enabled the purchase and possession of cannabis for specific medicinal purposes, and then more recently through laws regarding adult (i.e., “recreational”) use of cannabis. As of May 2021, more than 70% of U.S...

Alcohol and the Adolescent Brain: What We’ve Learned and Where the Data Are Taking Us

Introduction

The past 50 years of research supported by the National Institute on Alcohol Abuse and Alcoholism (NIAAA) have resulted in an accumulation of invaluable data to address the multifaceted problems surrounding underage drinking. Youth use of alcohol remains a pervasive social and public health concern in the United States and a leading cause of disability and mortality during...

Simultaneous Alcohol and Marijuana Use Among Young Adults: A Scoping Review of Prevalence, Patterns, Psychosocial Correlates, and Consequences

Introduction

Alcohol and marijuana are two of the most commonly used substances among young adults in the United States. In the past year, approximately 82% of young adults ages 19 to 30 reported alcohol use and 42% reported marijuana use.1 Independently, these two substances are associated with numerous short- and long-term risks and harms.2-5 Those who use both alcohol and marijuana, and in...

Alcohol-Endocannabinoid Interactions: Implications for Addiction-Related Behavioral Processes

Introduction

Endogenous cannabinoids, or endocannabinoids (eCBs), are bioactive lipid molecules that modulate signaling activity of several physiological processes involved in pain, appetite, energy balance, stress/anxiety, immune signaling, and learning and memory. Although understanding of the eCB system has grown in complexity since its discovery by Raphael Mechoulam, it is now widely known...

Alcohol and Cannabinoids - From the Editors

Alcohol is frequently used in association with cannabis, with co-use now perceived as normative with expanding cannabis legalization. Cannabinoid products are increasingly used for a number of medical and recreational purposes, including to enhance alcohol-reinforcing properties or in some cases to substitute for alcohol. Rates of alcohol use disorder (AUD) are higher among cannabis users relative...

Looking Back, Looking Forward: Current Medications and Innovative Potential Medications to Treat Alcohol Use Disorder

Introduction

According to national surveys, more than 85% of U.S. adults have consumed alcohol at some point in their lifetime, and about 70% did so in the last year.1 Most individuals drink responsibly and without adverse effects. However, a substantial proportion of people misuse alcohol.1,2 Drinking patterns associated with alcohol misuse include binge drinking, heavy drinking, and high...

Alcohol’s Negative Emotional Side: The Role of Stress Neurobiology in Alcohol Use Disorder

Introduction

The word “alcohol” often conjures up positive feelings and associations with fun, socializing, relaxing, and partying. Yet there is another side to drinking alcohol, especially with risky, hazardous levels of consumption. This side is associated with distress and may include anxiety, loneliness, pain, and depressive symptoms.1 This has been labeled the “dark side,” or “negative...

Alcohol Use Disorder and Alcohol-Associated Liver Disease

Introduction

Alcohol use disorder (AUD) is prevalent worldwide, and the burden of heavy alcohol consumption has been increasing over time. An important complication of prolonged, heavy alcohol use is alcohol-associated liver disease (ALD), which can progress from liver steatosis to fibrosis and cirrhosis and frequently involves alcohol-associated hepatitis. In particular, cirrhosis—the most...