it is private in home and is there an obligation to report that you tested positive? >> not yet. what you have to do if you have the test and it is positive, is see your physician. this -- unfortunately, jamie, if you do it in the privacy of your own home, nobody but you will know it is positive. and it's not so much we want to report people, we want to track things, because of public health risks here. so, i think it is really important and i agree with david, this is a greatest. it is really important that you have a positive on this, you see your physician right away. and maybe even let he or she know you are doing it. >> jamie: and it is treatable. >> eric: a discussion people should have. and coming up, a potential break through in the fight against parkinson's disease. how a new voice test can help doctors detect the disease over the telephone. >> jamie: are you having trouble sleeping? maybe the diet is to blame. which foods to avoid to get a good night's rest. next. [ male announcer ] this is rudy.