Read the source.

Background material used in Cannabis Explained, checked November 13, 2026. Read each source in context. Law and research can change; the Health Canada background review dates to 2018.

1. CDC: About Cannabis ↗
2. FDA: Cannabis and CBD products ↗
3. JAMA: Therapeutic Use of Cannabis and Cannabinoids ↗
4. Health Canada: Background information for healthcare professionals ↗
5. CDC: Cannabis and Driving ↗
6. CDC: Cannabis and Poisoning ↗
7. CDC: Cannabis and Pregnancy ↗
8. California DCC: Testing Laboratories ↗
9. Federal Register: April 28, 2026 marijuana rule ↗

Our standard

Link the evidence. Explain uncertainty. Avoid product endorsements and unsupported health claims. Questions or corrections: cannabisverified@gmail.com.