♪ >> jamie: i fell better ael bet, it is time for "sunday house call," the vice chairman of the departmentf robotics and chief of urology. >> eric: and the author of "the inner pulse", dr. marc siegel. >> jamie: you come in on sunday and i have a healthy lunch and i hope folks get all the information they need. we have great topics, including this, there is a study out this week that raises serious question about x-rays at the dentist. are they safe? some researchers link the radiation to a risk of brain tumors. dr. samadi, i always put up a little bit of a fuss, but i didn't realize there could be a connection. do you believe that? >> let's talk about this. i think everyone can relate to one of those x-rays, everyone has had it as a kid and, we grow up and every time you go to a dentist you get one of those. it was a big publicity, it was published in "cancer", coming from yale school of medicine and one of the largest studies we have had talking about the dental x-rays and brain cancer and looked at 3,000 people, half of them had brain cancer, called meningioma, a benign tumor of the lin