Science & ClimateScienceDaily•1 min read•10/17/2026 (3h ago)

Brain cells meant to protect us may be fueling cognitive decline

Brain cells meant to protect us may be fueling cognitive decline
60-Word AI Digest

Scientists have uncovered a surprising cause of age-related cognitive decline involving brain cells previously thought to be entirely beneficial. As these cells become dysfunctional, they can produce abnormal amounts of myelin, disrupting nerve fibers and potentially contributing to worsening memory and thinking skills.

Key Takeaways

  • Scientists have uncovered a surprising cause of age-related cognitive decline involving brain cells previously thought to be entirely beneficial.
  • As these cells become dysfunctional, they can produce abnormal amounts of myelin, disrupting nerve fibers and potentially contributing to worsening memory and thinking skills.
  • Full details and original dispatch available below.

Scientists have uncovered a surprising cause of age-related cognitive decline involving brain cells previously thought to be entirely beneficial. As these cells become dysfunctional, they can produce abnormal amounts of myelin, disrupting nerve fibers and potentially contributing to worsening memory and thinking skills.

Original Publisher Attribution

This summary was curated from ScienceDaily.

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Brain cells meant to protect us may be fueling cognitive decline — Loop60