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Researchers are zeroing in on understanding what goes awry in the brains of people with Alzheimer’s disease. Tek Image/Science Photo Library via Getty Images

Alzheimer’s disease is partly genetic − studying the genes that delay decline in some may lead to treatments for all

Despite decades of starts and stops, new treatments and key genetic discoveries are giving researchers great hope for slowing or eventually preventing Alzheimer’s disease.
Dana Gasby, left, interacts with her mother B. Smith in their East Hampton home on Long Island, New York, on Wednesday, January 9, 2019. B. Smith has Alzheimer’s Disease. Karten Moran for The Washington Post via Getty Images

The importance of blood tests for Alzheimer’s: 2 neuroscientists explain the recent findings

A blood test to detect Alzheimer’s disease in people who have symptoms and even those who don’t has been shown to work. Scientists still need to improve its accuracy rate to almost 100%, however.

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