Racial discrimination
6 papers13 findings
- 4 independent labs in 1 country
- 1 finding against
- Humans6
Outcomes
6Enlarged perivascular spaces
downin humans1upin humans1
1 study
Enlarged perivascular spaces
downin humans1upin humans1
Racial discrimination decreases enlarged perivascular spaces in humans.
“Racial discrimination was significantly associated with smaller ePVS volumes in White participants, and larger ePVS volumes in Black participants”
Humansin White participants
AAIC 2025 abstract25 Dec 2025
Racial discrimination increases enlarged perivascular spaces in humans.
“Racial discrimination was significantly associated with smaller ePVS volumes in White participants, and larger ePVS volumes in Black participants”
Humansin Black participants
AAIC 2025 abstract25 Dec 2025
NfL
upin humans1
1 study
NfL
upin humans1
Racial discrimination increases NfL in humans.
“higher levels of discrimination reported in midlife associated with a more pronounced acceleration in sNfL, particularly in late midlife (after age 55)”
Humans15 yearsfemales
The journals of gerontology. Series B, Psychological sciences and social sciences17 Mar 2026
Cerebral amyloid
upin humans1
1 study
Cerebral amyloid
upin humans1
Racial discrimination increases cerebral amyloid in humans.
“Endorsing 2+ reasons was significantly associated with higher burden of cerebral amyloid among Black participants”
Humansin Black participants endorsing 2+ reasons
AAIC 2025 abstract25 Dec 2025
White matter hyperintensities
upin humans1
1 study
White matter hyperintensities
upin humans1
Racial discrimination increases white matter hyperintensities in humans.
“More lifetime, but not everyday, racial discrimination was associated with greater WMH.”
Humansnon-Latine Black older adults without dementia
White Matter Hyperintensities Mediate the Effect of Racial Discrimination on Cognition
AAIC 2025 abstract23 Dec 2025
Subjective memory concerns
upin humans1
1 study
Subjective memory concerns
upin humans1
Racial discrimination increases subjective memory concerns in humans (b=0.119, 95% CI 0.045 to 0.192).
“More lifetime, but not everyday, racial discrimination was associated with worse executive functioning (b=‐0.062; 95% CI=‐0.111, ‐0.012) and greater subjective memory concerns (b=0.119; 95% CI=0.045, 0.192)”
Humansnon-Latine Black older adults without dementia
White Matter Hyperintensities Mediate the Effect of Racial Discrimination on Cognition
AAIC 2025 abstract23 Dec 2025
Executive functioning
downin humans1
1 study
Executive functioning
downin humans1
Racial discrimination impairs executive functioning in humans (b=-0.062, 95% CI -0.111 to -0.012).
“More lifetime, but not everyday, racial discrimination was associated with worse executive functioning (b=‐0.062; 95% CI=‐0.111, ‐0.012)”
Humansnon-Latine Black older adults without dementia
White Matter Hyperintensities Mediate the Effect of Racial Discrimination on Cognition
AAIC 2025 abstract23 Dec 2025
Associations
6Cerebral microbleeds
upin humans1
1 study
Cerebral microbleeds
upin humans1
Racial discrimination is associated with cerebral microbleeds in humans.
“Lifetime discrimination was associated with higher odds of CMB in Hispanic participants”
Humansin Hispanic participants
AAIC 2025 abstract25 Dec 2025
Enlarged perivascular spaces
upin humans1
1 study
Enlarged perivascular spaces
upin humans1
Racial discrimination is associated with enlarged perivascular spaces in humans.
“Racial discrimination was significantly associated with smaller ePVS volumes in White participants, and larger ePVS volumes in Black participants”
Humansin Black participants
AAIC 2025 abstract23 Dec 2025
Molecular stress
upin humans1
1 study
Molecular stress
upin humans1
Racial discrimination is associated with molecular stress in humans.
“Respondents in this profile had significantly elevated molecular stress compared to the reference profile”
Humanshigh everyday and major discrimination, high family support, moderate friend support, high strain from family and friends vs reference profile
GSA 2024 abstract31 Dec 2024
Gray matter volume
downin humans1
1 study
Gray matter volume
downin humans1
Racial discrimination is associated with gray matter volume in humans (p = 0.008).
“Stratified analysis revealed stronger associations between racial discrimination and GMV and WMHV in Black participants (p = 0.008 and 0.003, respectively).”
Humansin Black participantsbrain
GSA 2024 abstract31 Dec 2024
Amyloid PET positivity
upin humans1OR 2.24
1 study
Amyloid PET positivity
upin humans1OR 2.24
Racial discrimination is associated with amyloid PET positivity in humans (OR 2.24 (95% CI 1.07, 4.70)).
“Racial discrimination was also significantly associated with higher odds of amyloid positivity [OR (95%CI) = 2.24(1.07, 4.70)].”
Humansbrain
GSA 2024 abstract31 Dec 2024
White matter hyperintensity volume
upin humans1
1 study
White matter hyperintensity volume
upin humans1
Racial discrimination is associated with white matter hyperintensity volume in humans.
“Racial discrimination was positively associated with greater white matter hyperintensity volume (WMHV)”
Humansbrain
GSA 2024 abstract31 Dec 2024