Researchers have discovered that older mice and those with a specific gene variant have "exhausted" immune cells in their brains.

A blood test in midlife may predict risk of cognitive decline and Alzheimer's later, according to a new study.

A new study links bacterial infection with a moderate but significant increase in the risk of Alzheimer’s disease in older adults.

MIT researchers find that in mice and human cell cultures, lipid nanoparticles can deliver a potential therapy for inflammation in the brain, a prominent symptom in Alzheimer’s.

Smoking shrinks the size of your brain. Quitting smoking prevents further loss of tissue, but can't restore the brain to its original size.

The loss of the so-called "happiness" chemical, serotonin, may contribute to memory problems, including Alzheimer's disease.

A new study finds that microglia with mutant TREM2 protein reduce brain circuit connections, promote inflammation, and contribute to Alzheimer’s pathology in other ways.

Wearable devices that measure circadian rest-activity rhythms may be able to assess frailty-related health risks more than six years before an incidence occurs, according to a new study.

Thirteen new graduate student fellows will pursue exciting new paths of knowledge and discovery.