알츠하이머병에 관심을 갖고 책을 읽어대기 시작한 것도 이 때였어요. 관련 연구들에 익숙해지려고 노력했어요. 그러던 어느 날 의학 도서관에서 퓨린 유도체(Purine Derivatives)에 대한 논문을 접했어요.
So that's what led me to Alzheimer's. I started reading about Alzheimer's and tried to familiarize myself with the research, and at the same time when I was in the -- I was reading in the medical library one day, and I read this article about something called "purine derivatives."