In 1960, About A Half-million Teens Took An Aptitude Test. Now It Could Predict Whether They Get Alzheimer’s.

In 1960, About A Half-million Teens Took An Aptitude Test. Now It Could Predict Whether They Get Alzheimer’s.
In 1960, Joan Levin, 15, took a test that turned out to be the largest survey of American teenagers ever conducted.

September 23, 2018 at 05:00PM
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