Skip to Main Content

Reisa Sperling, one of the world’s foremost researchers of Alzheimer’s disease, was vacationing at Lake Tahoe with her family in 2008 when she noticed her father was behaving strangely.

“Where’s your mother?” he would ask, disoriented. “What are we doing here?”

Unlock this article by subscribing to STAT+ and enjoy your first 30 days free!