Author explores life on the expanding autism spectrum

Aired: 1/19/2016 | 0:08:13 | Clip
The rate of diagnosed cases of autism has more than doubled since 2000 and researchers have spent millions looking for causes and cures. In "NeuroTribes," author Steve Silberman explores the history behind this dramatic increase, arguing it's just always been much more common than we realized. William Brangham sits down with Silberman to discuss his work.

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