Alzheimer's disease

Flemister, who died last week, was the first Black woman to serve as a special agent in the 1970s, but was forced out by racial discrimination. She spent the next three decades in the foreign service.

An Alzheimer's drug that removes the substance amyloid from the brain has received a conditional approval from the FDA. A large study found the drug decreased the loss of thinking and memory by 27%.

Researchers are launching a make-or-break study to test the conventional wisdom about what causes Alzheimer's disease.

Mild cognitive impairment, a common brain condition, can be an early sign of Alzheimer's disease. But most people don't know the symptoms. And some may mistake it for normal aging.

Arts therapies appear to ease brain disorders from Parkinson's to PTSD. Now, artists and scientists have launched an effort to understand how these treatments change the brain.

Microglia are amoeba-like cells that scour the brain for injuries and invaders. But sometimes the usually helpful cells go into overdrive and damage the brain, researchers say.

A new Alzheimer's drug isn't reaching many patients. Doctors say reasons include its high cost, and lingering questions about its effectiveness.

Scientists have created detailed maps of the brain area that controls movement in mice, monkeys and people. The maps could help explain human ailments like Alzheimer's and Lou Gehrig's disease.

Weeks after the Food and Drug Administration approved the Alzheimer's drug Aduhelm, doctors are struggling to figure out who should get the drug and how to use it safely.