- Source type
- Study
- Access type
- Abstract/index
- Publisher
- PubMed
- Indexed by
- PubMed
- Date
- 2016
- 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: Primary source
Discriminative Properties of Hippocampal Hypoperfusion in Marijuana Users Compared to Healthy Controls: Implications for Marijuana Administration in Alzheimer's Disease
Roles: Primary source
Show section-level references
Claim ledger
Claims supported
Reviewed claim cards that cite this source in the evidence graph.
brain imaging: A SPECT perfusion or blood-flow finding should not be
A SPECT perfusion or blood-flow finding should not be described as proof of structural brain shrinkage.
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.
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What are marijuana's long-term effects on the brain?
Government consumer-health context for long-term brain-effect framing and adolescent exposure cautions.
- Trust score
- 91
- Publisher
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- Access
- Official
- Usage
- 5 connections
CDC MMWR: Mold prevention strategies and possible health effects after hurricanes and floods
Government disaster-response source for flood and hurricane mold prevention, used for high-risk moisture events, cleanup urgency, and vulnerable-population safety context.
- Trust score
- 91
- Publisher
- MMWR
- Access
- Official
- Usage
- 3 connections
CDC: About Community Water Fluoridation
Government public-health source for community water fluoridation benefits, recommended concentration context, dental equity framing, and CDC’s current population-level cavity-prevention position.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 13 connections
CDC: About Parasites
Government public-health background defining protozoa, helminths, and ectoparasites so the article can affirm that parasites are medically real without validating universal cleanse claims.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 7 connections
CDC: Home testing for mold is not recommended
Government consumer-safety source for the testing boundary, used to explain why CDC does not recommend routine mold testing to decide whether mold is making someone sick.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 9 connections
CDC: Mold
Government public-health source for mold health effects, susceptible populations, cleanup basics, and the position that visible or smelled mold should be removed without relying on species testing.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 12 connections