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The surprising reason for one group’s Alzheimer’s ‘curse’

November 24, 2015

By Rowan Hooper November 23 at 2:42 PM

The town of Yarumal in Colombia is famous, but not for an uplifting reason: It has the world’s largest population of people with Alzheimer’s disease.

In Yarumal and the surrounding state of Antioquia, an estimated 5,000 people carry a gene mutation that causes an early-onset form of Alzheimer’s. Half of those people will be diagnosed by age 45, and the other half will develop the disease by the time they are 65.

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