Aubrey de Grey, 44 Going on 1,000, Wants Out of Old Age.

With adequate funding, de Grey thinks scientists may, within a decade, triple the remaining life span of late-middle-age mice. The day this announcement is made, he believes, the news will hit people like a brick as they realize that their cells could be next. He speculates people will start abandoning risky jobs, such as being police officers, or soldiers.