that's it for this week's show. our thanks to my panel and to all of you for watching. i'm stuart varney. catch me on the fox business network starting at 11:00 a.m. eastern. it is time now for "sunday housecall." i'm eric shawn. >> and i'm arthel neville. joining us is chief of robotic surgery, dr. samadi. >> and dr. marc siegel. he's a columnist at "usa today". >> congratulations. >> well, we are going to start today with a new study showing that americans have fewer types of gut bacteria than people in

less developed countries. dr. samadi, it seems like this makes sense. what sort of gut bacteria are you talking about and why do we have less of it? >> we've spoken about this before but it's a very, very important thing. we have in our guts about 100 trillion, 100 trillion bacterias and some people have said that almost 90% of us are bacteria and 10% is human. so this co-existence in our gut is very important. a lot of good bacteria and bad bacteria. that balance, arthel, is very important. once you change that is when we start having a lot of chronic disease. diabetes, colitis. they looked at the u.s. population and compared it to people in new guinea that

haven't been exposed to all of the antibiotics wewe have. what they find is the diversity of bacterias in those tribes are a lot more than us. we're not -- we're losing a lot of our good bacterias and we're susceptible to more chronic disease. now, that diversity staying away from processed meat, all of that is because it changes your gut bacteria and, as a result, you can reduce chronic disease and that's really important. >> there's no way for you to know that you have the wrong amount of gut bacteria unless you go to the doctor? >> well, that's a good point. now we are starting to get to know these guys, these bacterias. you can give a stool sample and they can really look at the genetics of this bacteria. you can see how bad they are and what kind of bacterias you have. you have talked a lot about yogurt. this is the most favorite thing

out there is yogurt. >> nobody like fruit loops. >> that's good. you have good bacteria and pro b biotics, when you have processed carbohydrates, meat, that changes the good bacteria. >> dr. siegel, how do we get this bacteria back in our tummies? and you talk about the stool sample -- >> you take it home and never think about it. >> people in new guinea only live to the age of 62 and we're living to the age of 79 and they don't know what bacteria is over there. so there's two sides to this. here's the side on behalf of what we were just talking about, which is, we wipe out some of the bacteria we need to trigger our immune system. it's called the hygiene theory. when you're little, all of those ear infections that are overtreated with antibiotics and

public health measures, all of the hand washing that david and i are always talking about on the show, we don't get the same bacteria that they get in new guinea and, as a result, we get more allergies, more weight gain, more resistance to bacteria. now, interestingly enough -- so i think that we're overdoing it, as david was saying. we're definitely overdoing it. we have to take a look at that. but in new guinea, of all places for them to pick, the only place left on the planet earth with c cannibils and they try to seek revenge on anyone that they think may have committed a crime that killed someone. talk about spreading bacteria, arthel, they cannibalize someone that they don't even know. >> i have enough problems than to worry about cannibalism.

>> the point is, you go in the mall and grab stuff, we did a study a few months ago and -- >> you want to make sure you eat healthy yourself. what you put in your mouth is going to change what the echo syst ecosystem is down there. the kids are starting to take anti-b antibiotics at an early age. >> i think they overprescribe it. >> the key here is a philosophy. what's our philosophy? we teach, beware of that door knob, that tooth brush and this study gives me pause. maybe we're overteaching that because some of this bacteria, as david was mentioning, there's good bacteria that is supposed to be in your gut and we don't yet know all of those bacteria. one thing is for sure, we know the bad bacteria. e. coli is bad and in fact

there's a study out this week that shows maple syrup, believe it or not, extract helps our antibiotics kill off -- >> what about probiotics? >> that's great. anybody who has been on antibiotics recently should definitely be taking that because the stomach is -- >> how do you get that? >> you can buy them from over-the-counter and you can also, when you're about to go to the hospital, if you're about to get antibiotics, you can boost and take some of those probiotics. take your yogurt. we've spoke about berries all the time. strawberries, blueberries can really boost and work as an anti objectiant antioxidant, when you look at cancer and the inflammation, it's about a balance between the bacteria. you need to pay attention how many times we've spoke about diabetes and obesity on this program. you see people having digestion

problems. you're supposed to absorb your vitamins and then you take supplements, that's bad. >> in terms of which ones you use, you asked that, i like align. that's one that i give to patients. they can get acedofolis. >> align is a probiotic? >> yes. and it works really well with irritable bowel syndrome. >> next time the doctor gives you an antibiotic and wants to get you out of the office, ask, doctor, do i really need this or not? half the time we're just treating viruses and we don't know what we are doing. >> 85% of the time it's a virus. 85% of upper respiratory infections are viruses. >> i think we're overtreating. >> you will like this. my breakfast yesterday, yogurt blueberrieses, blackberries and agave nectar. >> i see a lot of good bacteria

down there, then. >> thank you. you heard about rita wilson, tom hanks' wife. this past week she shared her personal battle with breast cancer. next, how a second opinion they say could have saved her life and the lessons we have all has gone to. rita, tom, and second opinions, next. steady is exciting. only glucerna has carbsteady, clinically proven to help minimize blood sugar spikes. so you stay steady ahead.

and we're back now with "sunday housecall." rita wilson revealed she underwent a double mastectomy after being diagnosed with breast cancer and a second opinion may have saved her life.

>> why is this important and what should we take from her experience? >> i feel like howie kurtz because everybody in the media has been talking about this and saying, get a second opinion, get a third opinion, get a fourth opinion. i have a slightly different opinion on this. i think it depends on what the diagnosis is. i think the number one thing to do is have a doctor you can trust, a gatekeeper you can trust, somebody who knows who the good guys are, who the great guys are. in david's field, if you're a urologist, you've got to go to somebody like dr. samadi. the american medical association said those diagnosis hard to make are the ones that the pathologists don't agree on. so in the gray area you may need a second or third opinion. if it's black or white. >> let me say something as a woman. if i came to you and honestly if you were the best known oncologist out there, i really

don't care. if you told me i have breast cancer, i'm going to get another opinion and a third opinion. >> arthel, i will never, ever block you on that. i will always send my patients to a second or third opinion. i want that opinion to be somebody really, really expert. >> of course. absolutely. >> one final example. i have a hand surgeon that i think is tremendous but he's an artist but he operates on almost everybody i send him. so i say to the patient, maybe you should see another hand surgeon who operates on very few people so then you can decide, based on what the two are saying -- same thing with the breasts. but you can't go shopping around for a pathologist if you're a patient. >> how do you know? >> this is a very important message here because 44% of americans, they don't get a second opinion. they basically just go with their gut feeling and if the first doctor says -- not everyone knows about this. now, this second opinion is very important because review of those pathologists, talking to an expert who knows a lot about breast cancer and prostate

cancer can open up a whole new door. in this particular case, first biopsy was negative or precancer rouse and second team they found out it was invasive and it saved her life. this is what i do every day. people come in and you can see a lot of people don't know the statics of how these two diseases are identical. 230,000, 1 in 7 on each. we get men coming in and they are told -- >> you guys, you -- >> it's important because we give as an oncologist a second opinion that can save their life. if your first biopsy is negative, sometimes these are not accurate because they are taken from the site that doesn't have cancer and you may need a second one and that's very important. >> here's the problem with the breasts. it's very dense sometimes. it's very calcified.

you need a top mammographer to interpret it. they have trouble interpreting stuff, is it cancer or not second opinion. >> should you always get a second opinion, do you think? >> you should always entertain that with your doctor. er eric, if you're going to go for surgery, especially for surgery -- >> you don't buy the first car when you go there. you should get a second opinion. >> i have a question. if you get a biopsy, they have the sample, they send it to the pathology, the lab, that lab test comes with one result. is it possible to take that same biopsy sample to send to another lab? >> absolutely. it's more likely to be a problem if they say it's local disease. when they see invasive, carcinoma of the breast, they are usually right.

the ones where they are not sure, you better get a second opinion. >> not to bring it back, you don't want to talk about prostate cancer, but in my field, because it's my expertise, those slides are reviewed by the second pathologist and in the last few years there have been two or three patients we told them you don't need surgery because we can't find the cancer. that's a big deal. two years ago with dr. siegel we came up with this whole prostate cancer 911. >> i'm sorry. we have to go. you know i love you, dr. samadi. >> no problem. good bacteria. no problem. >> here's the question, can you contract hepatitis c just by shaking someone's hand or swimming in a pool? the answer is coming up and should i worry segment. our should i worry segment.

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call now! time now for "should i worry"? a viewer said i heard that you can contract hepatitis c just by shaking hands or swimming in a pool. should i worry? what's hepatitis c and can you get it that way? >> inflammation of the liver and usually from blood. this kind of virus can live out there. if there's any blood nor three weeks to stay and you can have it. unless you have a cut in your finger and the blood can get to you, the answer to this question is, no. you should not be able to get from a plain hand shake. blood transfusion was a huge problem before ten years ago. that's not theproblem anymore. you have to go to the right

places. we don't have a vaccine for hepatitis c but a and b. both of them they're a huge danger to doctors and especially surgeons with needles. you have to be really careful. 75% can become chronic and may have liver disease. if you have hepatitis, stay away from alcohol or any medication to affect your liver. >> what if -- this is probably crazy but i've heard it. can you get it from a dirty fork? >> absolutely not. there is a lot of hepatitis us the c. if you're a baby boomer, get tested. two, you can't get it from a swimming pool or a fork. kissing or hugging someone. he feels shunned. you can only get it by blood

bourn transmission and the baby boomers is because before 1992 we didn't know what it was. people transferred it around without knowing it. sexual content. another way to get it. you can. hard to do it. >> test automatically for it? no. >> i check every baby boomer. >> if you have a question for our doctors, e-mail us and we may just answer us it on on air. all names and e-mails confidential. >> shocking new information about e cig gets. not only say they don't help people actually quit smoking but they now think may cause more teens to take it up. pick it up.

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because people think they're for quitting smoking but they are an attractive product in bubble gum flavors and teens, right, teens are sopping it up. three times as many teens the cdc is shocked by this. over 2 million high schoolers are using e-cigarettes now. 13% of all high schoolers. nicotine is incredibly addicting and develoaffects the developinn i wonder why the fda is not regulating it. we heard from mitch zeller, the head of tobacco products at fda and said -- >> in today's rapidly evolving marketplace the surge in youth use of novel products like e-cigarettes forces us to confront the reality the progress we have made in reducing youth cigarette smoking

rates is increasing. fda intends to regulate the additional products to protect public health. >> may be regulating them as of this summer, june. but the problem is if they just restrict the age, we will have the same problem we have now. 42 states say you can't buy this under age. kids get it online. >> the jury is out on this. i said i'm not a big fan. we still have the number of teenagers actually smokers are down from 16% to 9%. fda should have regulated this stuff long time ago and so slow to pick up this. you have carcinogenic and the behavior of nicotine is still there. this is a very cool thing out there. teenagers, they think it's making the smoke and it's a fun thing. this could be a segue to actually addiction and smoking and other things. i would be a fan of e-cigarettes to slow down the smokers out

there and keep them out. i don't think we're heading that way. as we saw the number of teenagers tripled over just last year and 4 million teenagers out there that are going through this. now, there are also a lot of people that normally would not have gone to smoke and now they're in. the other thing is the hookah bars and clubs and they wanted me to go with him to smoke hookah. very cool. >> seriously? >> yeah. a report on it last year. >> remember it? >> e-cigarettes before we run out of time. it's very interesting. for recalcitrants smokers in my practice, 50% shut down on them, i don't say no. i don't advertise it. something has to be tried. if they say that's all that works, that's different than a teen using it, though. >> can we get nicotine to calm him down a little bit. >> different than a teen. be careful with the

e-cigarettes. >> nonsmoker, don't start on e-cigarettes. >> you're my favorite. how about that? made up for it. don't believe that. thank you very much. nice to have you here. >> take care. hello, everyone. welcome to "america's news headquarters." >> hello, everyone. isis, once again, massacring christians. a new video purportedly shows a gruesome slaughter in libya. what they're demanding for lives to be spared. today marks 20 years since the oklahoma city bombing. how the 168 victims of the deadliest deadly domestic terror attack in america is remembered. also this. >> hands on you? >>