the two of you talking about m-- emdr.he symptoms, and so you have to get to the cause of the panic attackings to truly treat -- attacks to truly treat the disorder. for you it was the hepatitis diagnosis. we will come back and talk more about hepatitis, ways to protect yourself. there's no vaccine for hepatitis c, but there is for a & b. you have never had those vaccines, right? >> no. >> ahhhh! >> the nurse is in the house. >> i was gonna ask if you would stick around and be my assistant and give ian his vaccine? >> after the break we will talk more about hepatitis, ways to protect yourself, vaccines you should get that you never thought you should, and dr. ian, is gonna be brave and face the needle next, stick around! >> good for you! [ crowd cheering ] [ applause ] ♪ >> up next. >> it's the most common bloodborn illness in the u.s.. >> an estimated over 3 million people are infected. it's gonna kill 4 times more americans than aids will in the next decade. >> what you need to know is next. and later. >> it turned out t