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Genetic Linkage

Genes That Protect Against Dementia (Maybe)

Elders with excellent cognition and memory help their grandchildren survive.
"Survival of the fittest" is one of the most misunderstood terms in biology. Evoking images of physical prowess, it actually refers to an individual inheriting traits that increase the chances of having fertile offspring, such as brilliant plumage or a high sperm count. But according to an intriguing study published recently in  Read More 
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