# How a rare genetic mutation could unlock new ways to treat or prevent dementia

An episode of [PBS News Hour - Full Show](https://invisiblenetwork.ai/podcast/394432287), 2 Oct 2026.

Audio: https://d3i6fh83elv35t.cloudfront.net/static/2026/10/HOPN_Full-Episode_10022026.mp3

Over 55 million people worldwide are living with the devastating reality of dementia, but researchers have now identified some individuals who share a rare genetic predisposition to developing a type of this tragic disease. Could studying these families unlock new ways to predict, treat, or even prevent Alzheimer's and dementia? Horizons moderator William Brangham explores more with Robert Kolker. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

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