Shawn Helbig, 27, who has Fragile X syndrome, visits Emory University's Department of Human Genetics, where he is taking part in a clinical trial to find a treatment for the genetic condition, Thursday, Jan. 28, 2010, in Atlanta. Dr. Jeannie Visootsak cq, with the genetics department, tests Helbig's strength as part of his physical. (AP Photo/Rich Addicks)
Read the article: A pill to ease a type of mental retardation?
