Sibship size
2 papers study it2 findings
Across all fields, 2 papers: 2 observational studies in people
- 2 independent labs in 1 country
- 1 finding against
- Humans2
Outcomes
1Cognitive decline
downin humans1no changein humans1
2 studies
Cognitive decline
downin humans1no changein humans1
Sibship size decreases cognitive decline in humans.
“Having more siblings appears cognitively beneficial for those experiencing sibling disconnection”
Humansfor those experiencing sibling disconnection
Sibling Disconnectedness, Sibship Size, and Cognition in Later Life
GSA 2025 abstract
Sibship size has no effect on cognitive decline in humans.
“Regardless of gender, the number of living siblings was not related with the rate of cognitive decline.”
Humans9 yearsn = 14,872
NUMBER OF LIVING SIBLINGS AND COGNITIVE DECLINE AMONG OLDER MEXICAN ADULTS
GSA 2024 abstract
Latest
1 paper in 12 monthsGSA 2025 Abstract
Sibling Disconnectedness, Sibship Size, and Cognition in Later Life
Cohort study of 6,468 peoplePopulations
GSA 2024 Abstract
NUMBER OF LIVING SIBLINGS AND COGNITIVE DECLINE AMONG OLDER MEXICAN ADULTS
Cohort study of 14,872 peoplePopulations