In Preventing Alzheimer’s, Mutation May Aid Drug Quest
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Normal brain substance, beta amyloid, is culprit
from The NY Times

A study of a rare gene mutation that protects people against Alzheimer’s disease provides the strongest evidence yet that excessive levels of a normal brain substance, beta amyloid, are a driving force in the disease — bolstering hopes that anti-amyloid drugs already under development might alter the disease’s course or even prevent it.

Read More: Alzheimer’s drug?