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Over the past two decades the frequency of autism occurring in children has skyrocketed from 1 in 10,000 to 1 in 50, and still the scientific community is no closer to determining a cause. When a man quits his job and moves into an RV to travel the country in search of answers after a devastating sickness brings him to the edge of despair, his research leads him to the middle of what is one of the biggest childhood epidemics of all time, and to the many unanswered questions surrounding the issue.

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