Tag

Superagers

All articles tagged with #superagers

Secret Brain-Cell Growth May Drive Superagers' Sharp Memories
science4 hours ago

Secret Brain-Cell Growth May Drive Superagers' Sharp Memories

A study of 38 postmortem brains links exceptional memory in superagers to higher hippocampal neurogenesis, finding roughly twice as many immature neurons as in typical older adults; Alzheimer's groups show reduced immature neurons, while genetic data point to stronger synaptic plasticity and BDNF activity in superagers, suggesting neurogenesis as a driver of cognitive resilience and a potential therapeutic target.

Cellular clues explain why some octogenarians stay mentally sharp
science5 days ago

Cellular clues explain why some octogenarians stay mentally sharp

A study of self-described “SuperAgers”—people over 80 with exceptional memory—shows they have more newly formed neurons and a hippocampal environment that supports neurogenesis, along with thicker attention-related brain regions and fewer tau tangles than typical aging. Using multiomic single-cell sequencing across donor brains, researchers found astrocytes and CA1 neurons drive memory retention, suggesting that a combination of genetics and brain-healthy lifestyle supports sustained cognition into advanced age.

Genetic Variants Linked to Dementia Resilience in Superagers, Study Finds
science1 month ago

Genetic Variants Linked to Dementia Resilience in Superagers, Study Finds

In a study of 18,080 participants (1,623 superagers aged 80+, 8,829 with Alzheimer's, 7,628 controls), researchers found that superagers are less likely to carry the APOE-e4 Alzheimer's-risk variant and more likely to carry APOE-e2, suggesting genetics contribute to exceptional aging and reduced dementia risk. The pattern held in non-Hispanic White groups, highlighting a potential genetic basis for dementia resilience, though lifestyle and other factors remain important, and more diverse research is needed.

Scientists Discover Why Some 80-Year-Olds Have the Memory of 50-Year-Olds
health4 months ago

Scientists Discover Why Some 80-Year-Olds Have the Memory of 50-Year-Olds

Research from Northwestern University identifies traits and brain features of 'SuperAgers'—80-year-olds with memory skills comparable to much younger individuals—highlighting factors like brain structure, social engagement, and resistance or resilience to Alzheimer's-related proteins, which could inform future interventions to preserve cognitive health in aging.

Scientists Uncover Why 'SuperAgers' Maintain Youthful Brains
health4 months ago

Scientists Uncover Why 'SuperAgers' Maintain Youthful Brains

A 25-year study reveals that superagers, individuals over 80 with memory skills of much younger people, have unique brain features such as resistance to Alzheimer's-related proteins, higher neuron concentrations, and less inflammation, which may explain their preserved cognitive abilities and could lead to new brain health interventions.

Scientists Uncover Key Habit Behind 'SuperAgers' and Their Youthful Minds
health-and-science4 months ago

Scientists Uncover Key Habit Behind 'SuperAgers' and Their Youthful Minds

Researchers have identified that 'SuperAgers,' individuals over 80 with memory performance akin to much younger people, possess unique brain features such as resistance or resilience to Alzheimer's pathology, including thicker cortex and more von Economo neurons, which may inform future strategies to preserve cognitive function in aging.

Scientists Identify Key Habit Shared by Remarkably Sharp 80-Year-Olds
health4 months ago

Scientists Identify Key Habit Shared by Remarkably Sharp 80-Year-Olds

Research on SuperAgers—people over 80 with youthful cognitive abilities—reveals that social engagement and maintaining brain activity are key factors in preserving mental sharpness and protecting against dementia, with SuperAgers showing less brain atrophy and more social-related neurons, highlighting the importance of socializing for healthy aging.

Scientists Uncover Why 80-Year-Olds Have the Memory of 50-Year-Olds
health4 months ago

Scientists Uncover Why 80-Year-Olds Have the Memory of 50-Year-Olds

SuperAgers are individuals over 80 with memory performance comparable to much younger people, and their brains show unique biological traits that resist or resist the effects of Alzheimer's disease. Research suggests that social engagement, brain structure, and cellular differences contribute to their exceptional cognitive resilience, offering insights into potential ways to prevent or delay dementia.

health-and-aging5 months ago

The Key Trait That Helps SuperAgers Live Longer

SuperAgers, individuals over 80 with memory skills comparable to much younger people, tend to live longer and healthier lives, primarily due to their strong social connections and extroverted personalities. These social habits help slow brain aging and reduce risks of diseases like dementia, which is especially significant for Black communities that face higher risks of Alzheimer's. Maintaining social interactions and a positive outlook may be key factors in their longevity and cognitive resilience.

Secrets of Superagers: How They Keep Sharp Memories and Brain Health
health-and-science6 months ago

Secrets of Superagers: How They Keep Sharp Memories and Brain Health

Research on superagers—people over 80 with memory performance similar to much younger individuals—reveals they have unique brain features such as higher levels of von Economo neurons, less cortical thinning, and fewer neurofibrillary tangles, which may contribute to their resistance to typical age-related cognitive decline. These findings could inform strategies to promote healthy brain aging, though more research is needed.