From Lab to Clinic: How Cannabinoids Affect the Immune System | Research

The takeaway

This comprehensive review maps the molecular and cellular mechanisms by which cannabinoids regulate immune function, highlighting therapeutic potential in autoimmune and inflammatory diseases alongside safety concerns.

Immunology researchers, rheumatologists, patients with autoimmune conditions interested in cannabis, and anyone wanting to understand cannabinoid immune effects.

What the researchers found

Cannabinoids regulate immune function through the endocannabinoid system at molecular, cellular, and systems levels. They show therapeutic potential in multiple immune-related diseases, but risks include adverse effects, fetal nervous system impacts from prenatal use, and many contradictions in current research.

Why it matters

Autoimmune diseases affect millions worldwide with limited treatment options. Understanding how cannabinoids modulate immunity could open new therapeutic approaches, but the field needs clarity on when cannabinoids help vs. harm immune function.

The numbers in context

Review covers multiple immune system components and diseases. Discusses both protective and harmful cannabinoid immune effects across various conditions.

How the study worked

Systematic review discussing the endocannabinoid system, molecular and cellular bases of cannabinoid immune effects, and evidence for cannabinoid use in immune system-related diseases.

What this study cannot tell us

Many contradictions exist in the literature that this review acknowledges but cannot resolve. Most evidence is preclinical. Clinical translation remains challenging given the complexity of immune regulation.

How to read the evidence

Comprehensive review providing a broad overview, though the underlying evidence has many contradictions and gaps that limit definitive conclusions.

When this study was published

Recent review synthesizing the latest understanding of cannabinoid immunology from basic science to clinical applications.

The bigger picture

The immune-modulating properties of cannabinoids are among their most promising therapeutic applications, but also among the least understood. This review attempts to organize a confusing landscape of sometimes contradictory findings.

Questions still open

Can cannabinoid-based immune therapies be developed for specific autoimmune conditions? How do chronic cannabis users' immune systems differ from non-users?

Common questions

Does cannabis suppress the immune system?

Cannabinoids can both stimulate and suppress different aspects of immune function. The net effect depends on the specific cannabinoid, dose, timing, and which immune cells are involved.

Could cannabis help autoimmune diseases?

Preclinical evidence suggests cannabinoids could modulate overactive immune responses in autoimmune conditions. However, clinical evidence is limited and the complexity of immune regulation makes translation challenging.

Read the original research

Cannabinoids in immune system-related diseases: From bench to clinic.

Chinese medical journal

View on PubMed ↗Publisher’s paper ↗

Citation

Zhang, Wenyu; Chen, Buzhuo; Cao, Yanting; Lei, Wangrui; Zhao, Huadong; Yang, Yang; Tang, Jiayou. (2025). Cannabinoids in immune system-related diseases: From bench to clinic.. Chinese medical journal. https://doi.org/10.1097/CM9.0000000000003818