When a doctor told Susan Levin her 4-year-old son, Ben, was autistic, she was shocked. It was October 2007, and autism wasn’t mentioned in the media nearly as much as it is today. “I remember thinking, ‘Oh my God. What are we going to do?’ ” Levin recalls. “Everyone knew autism was a lifelong disorder and couldn’t be cured.” Except that in Ben’s case, it could be. And it was.