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Man nearly guaranteed to get early Alzheimer's is still disease-free in his 70s — how?

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Summary
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76% Informative

Doug Whitney is one of only three people known to have escaped a rare form of Alzheimer's disease called DIAD .

DIAD makes up less than 1% of all Alzheimer's cases, and symptoms typically set in between ages 35 and 55 .

A new study pinpoints potential factors that may have shielded him from the neurodegenerative disorder thus far.

Scientists found higher-than-normal levels of "heat-shock proteins" in Whitney 's cerebral spinal fluid.

This could be linked to working as a shipboard mechanic in boiling engine rooms, the team suggested.

Another variant, found in the CD33 gene, could warrant further research, the scientists said.

VR Score

87

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91

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55

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semi-formal

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English

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54

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medium-lived