Who was the Frisky Natasha in the book The Man Who Mistook His Wife for a Hat? What long-term effects can syphilis have on the brain if left untreated? In psychologist Oliver Sacks’ research, he discusses an elderly woman who he calls the Frisky Natasha. Natasha had contracted syphilis over seventy years before and was suffering the long-term effects of brain damage. However, she seemed to be happy with her disease. Continue reading to learn about the case study of Natasha and the long-term effects of syphilis.
The Long-Term Effects of Syphilis: The Case of Natasha










