Episode Details

Imagine waking up one day and losing several hours of your life; not because you were asleep, but because your brain simply stopped recording memories. That's what happened to veteran journalist Katie Couric during a frightening episode of what's called transient global amnesia. She couldn't remember the date, who the president was, or even recent family events.

Guest: Dr. Laura Stein - Vascular neurologist at the Icahn School of Medicine at Mount Sinai in New York

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