Cannabis affects nearly every endocrine system, including reduced fertility, lower thyroid hormone with acute use, blunted stress response with chronic use, increased prediabetes risk but lower diabetes risk, and modestly increased fracture risk.
Endocrinologists, primary care providers, anyone using cannabis regularly
Cannabis affects thyroid, adrenal, gonadal, glucose, lipid, and bone systems
What the researchers found
Key endocrine effects include: reduced female fertility and adverse pregnancy outcomes, reduced sperm counts and function, lower thyroid hormone levels with acute use, blunted stress response with chronic use, increased prediabetes risk but paradoxically lower diabetes risk, suggested improvement in HDL and triglycerides, and modest increase in fracture risk.
Why it matters
The endocannabinoid system interacts with virtually every endocrine process. As cannabis use increases, understanding these hormonal effects is essential for clinical practice across multiple medical specialties.
The numbers in context
Affects thyroid, adrenal, gonadal, glucose, lipid, and bone systems; prediabetes risk increased; diabetes risk decreased; fracture risk modestly increased
How the study worked
Review synthesizing evidence on cannabis effects across thyroid, adrenal, and gonadal function, plus glucose control, lipid metabolism, and bone health, drawing from animal data, population studies, and known endocannabinoid system properties.
What this study cannot tell us
Many findings come from observational studies that cannot establish causation. Dose-response relationships and differences between acute and chronic use are often unclear.
How to read the evidence
Comprehensive review covering multiple endocrine systems, but limited by reliance on observational data for many effects.
When this study was published
Published in 2022
The bigger picture
The breadth of endocrine effects underscores that cannabis is not a benign substance for metabolic health, even as some effects (improved lipids, lower diabetes risk) appear paradoxically beneficial.
Questions still open
- Why does cannabis increase prediabetes risk but lower diabetes risk? Could the endocrine effects be leveraged therapeutically while minimizing harm?
Common questions
Does cannabis affect hormones?
Does cannabis affect diabetes risk?
Read the original research
The effects of cannabis and cannabinoids on the endocrine system.
Reviews in endocrine & metabolic disorders, 23(3), 401-420
Citation
Meah, Farah; Lundholm, Michelle; Emanuele, Nicholas; Amjed, Hafsa; Poku, Caroline; Agrawal, Lily; Emanuele, Mary Ann. (2022). The effects of cannabis and cannabinoids on the endocrine system.. Reviews in endocrine & metabolic disorders, 23(3), 401-420. https://doi.org/10.1007/s11154-021-09682-w
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