Researchers have examined the alleged link from multiple angles and across millions of people. The conclusion is remarkably ...

A long-thought cause of autism may not actually be linked to hallmark characteristics such as speech issues and following ...

Earlier this year, Health and Human Services Secretary Robert F. Kennedy Jr. pledged that the search for autism's cause—a question that has kept researchers busy for the better part of six ...

I recently met Billy, a 12-year-old boy with severe autism. He had been growing well but, at around age 3, he became increasingly delayed in speaking and walking. As he got older, he would frequently ...

Vaccines do not cause autism. Many scientists have studied this question, but no credible studies show that autism is caused by vaccines. In 1998, a paper in the scientific journal The Lancet ...

Health Secretary Robert F. Kennedy Jr.'s closed-door research has yet to produce evidence linking vaccines and autism.