is this something you might be able to find out before your child is born, that he or she may have adhd? >> the researchers from the study say that's a long way away and the reason is even though you can test for this gene mutation it is often a combination of a few gene mutations that leads to the genetic form of adhd. remember, sometimes kids can have a self-fulfilling prophecy. even though they may have one component of the gene mutation they may have a normal life. only thing we know for sure, mothers that drink alcohol are more likely to have kids with adhd. ric: dr. marty macary with johns hopkins university. doctor, thanks so much. >> thanks, ric. jenna: right now hollywood mourns the passing of a legend. tony curtis died late last night in his home near las vegas. curtis made his mark starting in the 1950s. known as a bit of a hollywood heartthrob and also respected actor who earned a oscar nomination. one of his most aclaimed