Dr. Marta Weinstock-Rosin, inventor of Exelon, a drug that improves memory and slows its decline in subjects with Alzheimer’s disease, is a big believer in the ability of medical science to help people live longer and better-quality lives. “It’s sad to see someone who is afflicted with a disease like Alzheimer’s,” Weinstock-Rosin said. “On the other hand, Alzheimer’s is a modern phenomenon; 100 years ago you never saw people like that, because they all died of other diseases before the brain degenerated…”