Raising awareness may also help some people prevent the onset of Alzheimer's.

VOA: standard.2009.12.04

If you do have it, the disease will always have onset by age 40, 50 or what have you.

如果你有的话，这个病就会从40岁，50岁之类的年纪0,开始发作。

耶鲁公开课 - 死亡课程节选

"And the same can be true,perhaps, for looking at adult-onset diabetes, or cardiovascular disease,or stroke.

VOA: standard.2010.07.14