Stroke

Closing in on medical solutions — from preventing kidney stones to stopping Alzheimer’s and curing ovarian cancer

How a spinning device shrinks blood clots in the brain

How research is improving the lives of people with chronic disease

New ways to prevent — or even reverse — dementia, paralysis and blindness

Treating stroke more than a few hours after the crisis is no longer considered absurd

Treating blood clots in the brain goes from fast to faster to fastest

New brain-imaging software identifies people who might benefit from treatment long after the time it has generally been considered helpful.

Engineers, biologists and doctors focus on a win