{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreidt63jsy4roxu2vdgnht4l7q6m2twcwyyxweb6xcihonmep6z4xzq",
    "uri": "at://did:plc:izotgtw5czjnuqtpcldjnkjh/app.bsky.feed.post/3mfhv3x76k572"
  },
  "path": "/aging-makes-the-brain-leaky-but-exercise-fights-back/",
  "publishedAt": "2026-02-22T17:48:24.000Z",
  "site": "https://scitechdaily.com",
  "tags": [
    "Health",
    "Aging",
    "Alzheimer's Disease",
    "Brain",
    "Dementia",
    "Exercise",
    "Neuroscience",
    "Public Health",
    "UCSF"
  ],
  "textContent": "Exercise may protect memory by sealing the aging brain’s defenses from the outside in. Researchers at UC San Francisco have identified a biological process that helps explain why regular exercise benefits memory and thinking skills. Their findings suggest that physical activity strengthens the brain’s natural defense system, helping protect it from age-related decline. Aging and [...]",
  "title": "Aging Makes the Brain Leaky but Exercise Fights Back"
}