Related Experiment Video
Updated: Jun 18, 2026

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
Published on: June 23, 2023
Anabolic-androgenic steroid dependence: an emerging disorder
Gen Kanayama1, Kirk J Brower, Ruth I Wood
1Biological Psychiatry Laboratory, McLean Hospital, Belmont, Massachusetts, and Department of Psychiatry, Harvard Medical School, Boston, MA, USA.
Anabolic-androgenic steroids (AAS) can cause a distinct dependence syndrome, affecting 30% of users. This condition, marked by continued use despite harm, shares mechanisms with opioid dependence and requires tailored diagnostic criteria.
Area of Science:
- Endocrinology
- Neuroscience
- Psychiatry
Background:
- Anabolic-androgenic steroids (AAS) are frequently misused for physique enhancement.
- Evidence suggests AAS use may lead to a dependence syndrome with adverse health consequences.
Observation:
- AAS dependence affects approximately 30% of users, characterized by compulsive use despite negative impacts.
- Animal models demonstrate AAS self-administration and withdrawal symptoms, indicating addictive potential.
- Neuroendocrine and cortical neurotransmitter systems, potentially involving opioidergic mechanisms, mediate AAS dependence.
Findings:
- AAS dependence shares similarities with classical drug dependence, including withdrawal symptoms.
- Unlike acutely intoxicating drugs, AAS provide delayed gratification through muscle gain rather than immediate euphoria.
- Standard substance dependence criteria may need adaptation for cumulatively acting substances like AAS.
Implications:
- AAS dependence is a recognized diagnostic entity and a potential public health concern.
- Understanding shared brain mechanisms with opioid dependence is crucial for treatment.
- Further research is necessary to define risk factors and develop effective interventions for AAS dependence.
Related Concept Videos
Drug Dependence
Drug Abuse and Addiction: Pharmacological Phenomena
Substance Use Disorders Affecting Sleep
Understanding the concepts of physical dependence,...
Adrenal Gland Disorders
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Anorexia Nervosa
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Cushing Syndrome I: Introduction

