- Source type
- Government
- Access type
- Official
- Publisher
- National Institute on Drug Abuse
- Added
- 2026-07-04
Trust profile
VV Source Trust Matrix v1.0
VV Source Trust Matrix v1.0 asks whether this source is trustworthy for the claim lane being used, not whether every possible claim from it is equally strong.
91
Government health research
- Publisher type
- Government research
- Bias profile
- Low
This source is strongest for safety and clinical outcomes and weaker for consumer context and regulatory status.
VV Source Fit Score 1.0
Fit by use case
Fit scores are role-specific. A source can be excellent for one claim lane and weak for another.
- Regulatory status
- 66/100
- Context Source
- Clinical outcomes
- 90/100
- Primary Anchor
- Mechanism
- 90/100
- Primary Anchor
- Safety
- 92/100
- Primary Anchor
- Consumer context
- 88/100
- Strong Support
- Trial discovery
- 89/100
- Strong Support
Best used for
- Research synthesis
- Public-health context
- Safety resources
Weak for
- Primary endpoint extraction when a study is available
Used in Viral Vitalism
Does Cannabis Shrink Your Brain?
Roles: Regulatory status
What are marijuana's long-term effects on the brain?
Roles: Regulatory status
Show section-level references
Claim ledger
Claims supported
Reviewed claim cards that cite this source in the evidence graph.
cannabis: Cannabis brain and cognition risk depends heavily on age,
Cannabis brain and cognition risk depends heavily on age, frequency, potency, recency, route, dependence, vulnerability, and co-use.
cannabis: The broad claim that cannabis shrinks your brain overstates
The broad claim that cannabis shrinks your brain overstates a mixed evidence base and swaps endpoints such as perfusion, activation, volume, and cognition.
Related studies
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AABB: FDA warns against use of unapproved HCT/Ps
Canonicalized from June 30, 2026 rapid-brief batch.
- Trust score
- 91
- Publisher
- AABB
- Access
- Publisher
- Usage
- 1 connection
CDC: Parasites Diagnosis
Government diagnostic-context source used to keep parasite concern tied to exposure history, organism-specific evaluation, clinical symptoms, and appropriate testing rather than vague wellness symptoms.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 13 connections
EPA: A Brief Guide to Mold, Moisture and Your Home
Government environmental-health source for the core remediation rule: fix moisture, clean mold, dry water damage quickly, and do not treat testing as the primary intervention.
- Trust score
- 91
- Publisher
- U.S. Environmental Protection Agency
- Access
- Official
- Usage
- 12 connections
FDA Q&A: Proposed order for over-the-counter sunscreen
U.S. Food and Drug Administration used across the Viral Vitalism evidence library.
- Trust score
- 94
- Publisher
- U.S. Food and Drug Administration
- Access
- Official
- Usage
- 9 connections
FDA warns about compounded ketamine products for psychiatric disorders
Safety boundary for the ketamine-as-relaxation-substitute pivot.
- Trust score
- 94
- Publisher
- U.S. Food and Drug Administration
- Access
- Official
- Usage
- 4 connections
FDA: 2026 Safety and Availability Communications
Canonicalized from June 30, 2026 rapid-brief batch.
- Trust score
- 94
- Publisher
- FDA
- Access
- Official
- Usage
- 1 connection