Genetics

Better cognition seen with gene variant carried by one in five

A scientific team led by the Gladstone Institutes and UC San Francisco has discovered that a common form of a gene already associated with long life also improves learning and memory, a finding that could have implications ...

Alzheimer's disease & dementia

Rare gene variants double risk for Alzheimer's disease

A team led by researchers at Washington University School of Medicine in St. Louis has identified variations in a gene that doubles a person's risk of developing Alzheimer's disease later in life.

Genetics

As population exploded, more rare genes entered human genome

(Medical Xpress) -- As the Earth's human population has skyrocketed since the rise of agriculture some 10,000 years ago -- to 7 billion people from a few million -- so, too, has the number of rare genetic variants.

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