상당히 넓은 범위의 연구를 진행해야 할거에요. 그리고 우리는 깨달은 실제적인 연구 방법중 하나는 40세가 넘은 어른들을 연구대상으로 합니다. 물론 어릴적 건강했던 사람들을 조사해야겠죠.
We'd have to go and have a pretty wide study, and we realized that actually one way to think of this is, let us look at adults who are over 40 years of age, and let's make sure that we look at those who were healthy as kids.