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U.S.HEALTH WATCH

Why some people escape Alzheimer's despite carrying a high-risk gene

Researchers found a rare mutation that blocks harmful protein buildup in the brain, and they hope to design treatments that copy it; a hopeful one.

Photo: Garrondo · Public domain · Wikimedia Commons · altered by BBN
▶ As it aired · U.S.

Watch it as it aired: Hank Ledger and Gloria Vance on this story, from BBN This Morning at 9:38 AM ET. Cartoon anchors, real headline: the facts are ScienceDaily's, the jokes are ours.

Photo: Alzheimer's disease
Photo: Garrondo · Public domain · Wikimedia Commons · altered by BBN

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What BBN said about it

  1. Hank Ledger · Lead AnchorWe promised you this one: scientists have found a rare mutation that protects some people with a high-risk Alzheimer's gene, and they stay mentally sharp well into their eighties.

  2. Gloria Vance · World News AnchorIt blocks the harmful protein buildup in the brain, and researchers say that could point to treatments that copy this natural defense.

  3. Hank Ledger · Lead AnchorA gene that shields the brain from the gene. Finally, a bodyguard who read the whole contract.

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The story so far

  1. Davina McCall on 'advanced Alzheimer's' symptoms after surgery · BBC
  2. 10 health conditions may be linked to Alzheimer's years before… · Fox News
  3. Rare study reveals a striking divide inside an Alzheimer's patient's… · ScienceDaily
  4. Why some people escape Alzheimer's despite carrying a high-risk gene (this story)

From the archive: everything BBN aired on Monday, October 19, 2026 · the U.S. archive · all months