They choose purpose over happiness—having a clear sense of purpose even reduces the risk of Alzheimer's disease.
2017年6月四级真题（第一套）阅读 Section C
The 65-year-old Steve Goodwin was found suffering from early alzheimer's.
2019年高考英语江苏卷 阅读理解 阅读D 原文
英英释义
Noun
1. a progressive form of presenile dementia that is similar to senile dementia except that it usually starts in the 40s or 50s; first symptoms are impaired memory which is followed by impaired thought and speech and finally complete helplessness