Washington - As a first-grader, Garrett Nash blurted out answers before his teacher called on him. He tickled a student sitting next to him and sometimes bolted out of lines. One cold day, he left school without his winter coat. Michelle Nash thought her son's behaviour was typical for a child adjusting to a full day of classes, but school officials suspected he had a hyperactivity disorder. They recommended giving him Ritalin, a stimulant used to treat children with that problem. She refused. "I just said I'm not going to do it," said Nash, 40. "And their response was, "You...