amyloid hypothesis

Questionable “Alzheimer’s blood test” goes on sale prior to FDA approval

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First blood test to help diag­nose Alzheimer’s goes on sale (NBC News):

A com­pa­ny has start­ed sell­ing the first blood test to help diag­nose Alzheimer’s dis­ease, a leap for the field that could make it much eas­i­er for peo­ple to learn whether they have demen­tia. It also rais­es con­cern about the accu­ra­cy and impact of such life-alter­ing news. [Read more…] about Ques­tion­able “Alzheimer’s blood test” goes on sale pri­or to FDA approval

Study challenges the “seductive” amyloid hypothesis of Alzheimer’s disease (AD)

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Vas­cu­lar Health at Age 36 Tied to Brain Health at 70 (Med­page Today):

“A lon­gi­tu­di­nal study shed light on just how ear­ly peo­ple may want to start doing some­thing to reduce their demen­tia risk decades in the future.

Each 1% increase in Fram­ing­ham vas­cu­lar risk score at age 36 was asso­ci­at­ed with 9% high­er white mat­ter hyper­in­ten­si­ty vol­ume … (how­ev­er) Vas­cu­lar risk scores were not linked to beta-amy­loid sta­tus at any point. [Read more…] about Study chal­lenges the “seduc­tive” amy­loid hypoth­e­sis of Alzheimer’s dis­ease (AD)