# This is brazillian weed

> **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637)
> **Publisher:** CED Clinic (https://cedclinic.com)
> **Canonical URL:** https://cedclinic.com/this-is-brazillian-weed/
> **Published:** 2026-04-09T13:00:11-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T11:02:27-04:00
> **Clinical Summary:** When your patient’s strain provenance is somehow more mysterious than their symptom timeline. At least the pharmacology doesn’t require a passport. Via r/trees Further Reading CED Clinic BlogMusshoff and Madea – 2006 – Review of Biologic Matrices Urine Blood Hair as Indicators of Recent or Ongoing Cannabis Use Evidence WatchCannabis Products and Contaminant Detection: Critical […]

---

When your patient’s strain provenance is somehow more mysterious than their symptom timeline. At least the pharmacology doesn’t require a passport.

Via [r/trees](https://reddit.com/r/trees/comments/1sf50ef/this_is_brazillian_weed/)

Further Reading
CED Clinic Blog[Musshoff and Madea – 2006 – Review of Biologic Matrices Urine Blood Hair as Indicators of Recent or Ongoing Cannabis Use](https://cedclinic.com/biologic-matrices-cannabis-indicators-review-2006/)
Evidence Watch[Cannabis Products and Contaminant Detection: Critical Review of Regulatory Oversight and Analytical Methodologies.](https://cedclinic.com/cannabis-contaminant-testing-regulations-review/)
Research Digest[Research Digest: 5 Recent Studies – March 25, 2026](https://cedclinic.com/real-time-long-term-effects-medical-marijuana-research/)

 

### Related

---

### Verification & Medical Governance

- **Lead Clinical Author:** Benjamin Caplan, MD
- **Credentials:** Board Certified in Family Medicine (ABFM), Former CMO Canna Care Docs (250,000+ patients supervised), Founder & CMO CED Clinic & CED Foundation, Author of *The Doctor-Approved Cannabis Handbook* (Penguin Random House).
- **Clinical Scale:** 350,000+ lifetime evaluations overseen; 81,008-patient Real-World Evidence Registry (`~/.ced_rwe_vault.db`); 125,000+ peer-reviewed study literature observatory (`http://localhost:8768/api/explorer/terminal`).
- **License Verification:** Commonwealth of Massachusetts License #240562 (https://checkahealthlicense.mass.gov/).
- **NPI Registry:** 1962722637 (https://npiregistry.cms.hhs.gov/provider-view/1962722637).
- **Ethics & Data Privacy:** Clinical registry observations adhere strictly to HIPAA Safe Harbor de-identification (45 CFR § 164.514(b)) and criteria for secondary research exemption under 45 CFR § 46.104(d)(4).