DavidPerlmutterMD · 2026-02-17 · David Perlmutter (host), Sarah Marzi
Why Some Brains Never Get Alzheimer’s | Dr. Sarah Marzi
37 research-tied claims examined: 4 overstated 1 context 30 supported 2 unverified
2 No source found (not proven false)
Approximately 25% to 28% of people in Western cultures carry at least one APOE4 allele.
"And I think in Western cultures, what is it, 25, 28% of people carry at least one APOE4 allele." (said at 0:20:50)
No published record matching the claim that approximately 25% to 28% of people in Western cultures carry at least one APOE4 allele was located; this does not prove the claim false.
Approximately 28% of humans carry the APOE4 allele.
"why would 28% of humans still carry the APOE4 allele if it were across the board detrimental?" (said at 0:37:00)
No published record matching the specific claim that approximately 28% of humans carry the APOE4 allele was located; this does not prove the claim false.
Unverified means no publication matching the claim was located; it does not prove the claim false. Spotted an error? See the corrections policy - disputes from the people quoted are prioritized.