dr. wendy walsh is here. we are going to talk about sodas. dr. wendy, you and i have been talking about this flu going around. and you said it's also -- it's not just about getting a bug or a virus. it's also stress-induced, correct? >> well, we have to understand, there's a giant connection between the mind and the body, and yes, there are all kinds of ways to deplete immune systems by, you know, look at you, don. you don't get enough sleep, you're traveling all of the time. breathing in lots of bad public air in places. but also emotional stress can cause our immune system to be repressed. so you just came back from newtown. we talked a couple weeks ago about how you were region about and almost feeling a post traumatic stress disorder from it. if that's not going to deplete your immune system, i don't know what is. so that's another factor for people to consider. is that, you know, happy people who have low stress or manage stress well, it also boosts your immune system. >> i have to thank my friend mark in new york who did a great job, took c