Booth is a reporter at TIME. Photo-Illustration by TIME (Source: Courtesy of Chris Mansi) When someone is having a stroke, they lose 2 million brain cells every minute. It’s a leading cause of ...

When someone walks into an emergency room with symptoms of a stroke, every second matters. But today, diagnosing the type of stroke, the life-or-death distinction between a clot and a bleed, requires ...

When someone walks into an emergency room with symptoms of a stroke, every second matters. But today, diagnosing the type of stroke, the life-or-death distinction between a clot and a bleed, requires ...