have it and it lives in the stomach. and, it causes, contributes to ulcers. so, if you are on aspirin, you should see if you have h-pylori there. and, it can be treated with a combination of antibiotics, over a short period of time. >> jamie: great, doc, the topic was so hot and everyone talked about this and any parent would want to know about whether or not vaccines cause autism or whether there is a connection, and the debate was over an additive in their -- a preservative taken out in many of these vaccines. and we wanted to ask the doctor about a court ruling that came out that did not find a connection. and doc, what do you tell parents? >> you know, this is a very emotional issue. the thimerosal, which used to be put into the vaccine, protected it from getting spoiled, has been removed. there are no data of which i am