that's such a catchy tune. well, it is time now, as you now know, for "sunday house call." and joining us this morning is dr. marc siegel, associate professor of medicine at the nyu langone medical center. did you know he's also the author of "the inner puls pulse: unlocking the secret code of sickness and health."

>> and dr. david samadi who's the new chair of urology at lennox hill hospital and professor of urology at hofstra lij school of medicine. >> we'll get there. and i never saw him so happy about it. congratulations. >> great opportunity. >> it must be the heat. i mean, the heat is just unbelievable out there in some parts of our country. 124 degrees or so. in death valley. and las vegas authorities saying there that the heat may have killed at least one man inside his home. they say it's nearly 120 degrees today throughout the southwest and those temperatures, look at that red. not going down at all anytime soon. so dr. siegel, what advice do you have on what we need to do? it's more than just staying in air-conditioning. >> you know something? our weather people report about all of the extreme weather we get, tornadoes, hurricanes, but it's actually heat that kills more people than any of these other combined. we lose 1,000 people a year to heat. and the ones i especially want to focus on are our children

because we lose 30 babies or young children a year by people leaving them in cars. and because the temperature inside cars skyrockets very quickly, in the first ten minutes goes up about 20 degrees. so be careful about that. the other thing, eric, is that with extreme heat you lose it very quickly and you don't realize it because when you have very high temperature or high humidity your sweat, which is the body sprinkler system, doesn't work as well and you can't cool off the skin. you get very fatigued. you get headache. you can get shortness of breath. and before you know it, the body temperature can start to rise and you can get confused. so i tell people to drink a lot of water. that's obvious. have water with you at all times. spend more time in air-conditioning. spend more time in showers. >> hot or cold shower? >> cold shower. but super cold doesn't work. it's actually tepid water. very young and very old have to watch out. we lose the elderly, especially people on prescription drugs that may be on diuretics, we can

lose people very rapidly. and dress lightly. wear this suit, not this suit. >> dr. samadi, what should we look out for first? how do you know if you're out there, beginning to feel a little hot or light-headed or dizzy? what are the first signs you'd better get inside and get some water? >> you just diagnosed a case that i had. i operated on someone about two months ago for just a simple stent for kidney stone and he happens to be on the balcony. his daughter calls me, 80-year-old man, who says exactly the symptoms you talked about, dizziness, not feeling himself, he's not concentrating well. the first thing that i said was take him to the emergency room immediately. ten minutes later i get a phone call saying that his blood pressure is 70 over -- and fortunately with -- >> 70 over what? >> it's a very low blood pressure. we gave him fluid and we got lucky. because sometimes this can go far and it can be irreversible. >> you're saying your blood pressure if you get really heart your blood pressure goes down? >> from dehydration. your heart rate will go up.

so bottom line is in elderly you have to be careful as marc mentioned. in medical conditions, they have diuretics, their blood pressure can go down. you want to stay in air-conditioning. if you can't afford it or the room is hot, go to the mall and ask for help. that's a way to do it. well hydration. they not only lose fluid but they also lose salt and minerals. so things such as gatorade is good for you. for younger guys that's not the day to go out there and exercise. you're going to get cramps and you're going to have a lot of problems. something called heat stroke, which is a temperature body core over 104, that would lead to heat syncope and you can pass out. so be very careful. children, as marc mentioned, about 15 children unattended died this year alone in 2013. so if you see somebody in the car, call 911. it's not safe. >> and water and sodas don't always do it. right? >> right. definitely not sodas. water and electrolytes, like he said. >> that's our advice. >> hydrate, hydrate. also we want to tell you about this. a new recommendation from an expert panel urging all baby

boomers, go get screened for hepatitis c. now, dr. samadi, this is new. many people do get vaccinated for different hepatitis strains. but to be checked necessarily right now. who? >> so we're talking about hepatitis c, which is extremely deadly. leading cause of liver disease. so if you're a baby boomer, as we mentioned, born in 1945 to 1965. if you got blood transfusion before 1992. and if you're a drug user using injections now this u.s. preventive task force recommend getting one-time screening for hepatitis c. why is this important? hepatitis c is a silent killer. you may have hepatitis, which is inflammation of the liver, and not know about it. the reason why we want to know this is because 30% of liver transplants are caused by hepatitis c. so knowing it is important because there's a cure for it. we can give you interfuhron, we can give you other medications that can actually cure you.

this is a huge change for u.s. task force compared to 2004 that they said there's no evidence. >> so why now, though, dr. siegel, are we seeing rising cases as well 6 heof hepatitis ? and what about a or b? >> help tooits c, 3.9 million people, it's on the rise pf liver cancer on the rise. liver failure requiring transplant. i'm so proud of the u.s. preventive services task force, who has blown it with tsa and with mammograms finally coming out right on something because helptight sis a big wteste fou it was hepatitis c. before we used to call it non-a, non-b. since we didn't have the assay, people got blood that weren't screened for it. people used drugs, they weren't screened for it, sexual activity, they weren't screened for. so a lot of people are hiding this and don't know they have it. 75% of the people who have this in the united states are in our baby boomer generation. one-time screening, it doesn't cost very much. about $25. >> your annual physical. >> absolutely. well worth doing.

and it will cut down on all -- by the way, to add to david's point, the treatments now are really working. we have interferon we use, ribovirin and a proet yais inhibitor that is very effective. >> so i ask my daughter i want a hepatitis c test? >> i was just about to say eric is going to ask that question. >> what about the strains, dr. samadi? >> it's not part of your normal test. there's no vaccination for hepatitis c. as doctors and surgeons we're all immune. we get vaccination. a did s. different. that's from contamination of food and water you that want to make sure you protect yourself. but hepc is more common than hiv fourfold and it doesn't get as much publicity. i'm glad they came up with this screeni screening. >> you could have it and not know it. >> so ask for that test. great, docs. >> thank you. >> have you heard about teens and severe concussions? we do hear a lot about that,

especially when dealing with sports. coming up, the doctors will fill us in on why traumatic brain injury is far more common they say now than first originally thought. we will talk about the risks that that poses. >> we're not going to tell you not to smoke cigarettes, but if you're using these e-cigarettes to kick the habit, pros? cons? should you even try it? that's next. [ larry ] younow throughout history, folks have suffered from frequent heartburn but now, thanks to treating with prilosec otc, we don't have to suffer like they used to. [ bell dings ] ♪ [ horse whinnies ] getting heartburn and then treating day after day is a thing of the past. ...

some alarming new research showing roughly 1 in 5 teenagers has suffered from a traumatic brain injury, and that's far too many. the numbers are suggesting that severe concussions may be far more common than previously thought. so we're going to ask dr. siegel about this. even if you don't have a teen. for any child that's active. should you worry? >> well, i thought this study coming out of canada was

shocking, jamie. they sent 8,900 students from seventh to 12th grade questionnaires and asked if the past year have you had a blackout from hitting your head? we're talking worse than a concussion where you get your bell rung. literally a brain injury which is related to a concussion but even worse. the centers for disease control says 15% of people that have concussions have prolonged symptoms where you continue to be dizzy, you have trouble concentrating, you're not yourself for several weeks. what was most concerning about this study, though, was that these students reported that they didn't do as well on tests, that they drank more alcohol, that they used more marijuana. dr. samadi pointed out to me before we came out here, we already know that alcohol and marijuana leads to more falls and you get your head injured more easily, but now we're thinking that it may also be the other way around. once you hilt your head, you're more prone to alcohol, marijuana use, and poor scores on tests. >> that's frightening.

so what do you do? you can't say to your child you're grounded, no sports. >> no, jamie, i think this is a field that we're learning more and more. i think it's an untapped territory. we don't understand the real physiology behind this. we always thought about athletes or soldiers in the combat when it comes to this kind of trauma, but the bottom line is even kids, over about half a million children are being admitted to the emergency room for this kind of trauma. so it's underreported. and the message to a lot of parents is if you see your children, your teenager is not behaving well, all of a sudden there are changes in the grades, their social performance has changed, their personality's different, and they're also starting to drink alcohol, and in this particular study, which by the way, even though it's an observational study may be through jama so it's an important one. if you see they're starting to drink more or pot, smoking pot or other things, that's a red flag. what do you do at that point, the question is. maybe you talk to a aneurologist. maub you have to get an mri. maybe you have to investigate this further and not just say it's a behavioral problem and

walk away. >> get to the medical underlying condition. >> that's exactly right. >> to eric's favorite question, what do you tell parents? you tell parents once you've hit your head it's easier to do it the next time. in other words, when you get a concussion one tum the next time it's even easier to get a concussion from a slighter blow to the head. you have to almost put people in a group have you had this before and if they have -- >> that's even more people. >> that's right. even more. >> interesting. >> great advice. parents, go by the doctors' advice. thank you. coming up in a second, you've heard a lot about these. e-cigarettes. you see those advertisements. but are they the best way to kick a smoking habit? are they worth it? we will look at the pros and the cons of these newfangled things, the e-cigarettes. ♪ [ male announcer ] with everyone on the go this summer, now's the perfect time to get home security for protection while you're away. and right now you can get adt security installed starting at just $49, a savings of $250.

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>> jamie: welcome back. a lot of people -- smoggers -- are talking about e-cigarettes. many say it's helping them quit. we have been promoting. we will tell the pros and cons. is it worth a try. >> when it comes to smoking, my answer is no. marc likes this one -- >> jamie: that's why we get two opinions. >> there are two components of smoking. the oral fixation of using the finger and mouth thing, which could be treated with medication. i think this will take care of that part. it simulates the real smoking. battery powered, it has nicotine and propolline-- the toxin part of it. it's a toxin used in the acid wash, et cetera -- you don't want to have that combination. it is not a good thing. and the cons for this is the

fact it is not regulated. fda hasn't really caught up with this. there have been leaks. the amount of toxins is want good for you. and the nicotine we have been giving to people, we have been putting it on the patch, the gum, we know how much they are getting. we don't know how much nicotine is going into this and it is inhaling -- it is not really clear. so my vote for this is no. >> i'm not for it either -- >> jamie: limited -- >> i am against it with an asterisk. i am not being political. look, i have a problem with smokers. i have trouble getting them to quit. most of the one who is do do it cold turkey. some, i try to give chantics. but they get anxiety. some i use the nicotine products -- >> but do you recommend this? >> i will get to this. this may be effective short term. the last study looked at 4,000

people in an online questionnaire. i think that's interesting. but it can get out of control. i think it may work, but it's not well regulated. we had people get burned from t. there have been leaks. there is an issue of the toxins. there was one study that showed that lung function goes down after you start using this. i think it needs to be further studied. i think there is something in the future here. right now, i would not vote for t. i think the fda has to get involved. >> good. >> jamie: now we know. >> self-discipline. support groups? >> exactly. the doctors gave us tips on how to stay cool in the extreme heat. coming up. they have more -- not just water, but they are going to fill us in on foods that are critical to helping us stay cold. [ male announcer ] this is george. the day building a play set begins with a surprise twinge of back pain... and a choice.

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>> eric: back with the doctors. it's other day of 120 degrees plus out west. earlier, the doctors talked to us about what to drink -- water, but food, too? besides ice cream? >> david will talk about fruit. but vegetables -- david, your greek yogurt is 80% water. that gives you water. oatmeal doesn't have a lot of water, but when you add the milk or the water, you are eating a lot of water. cool as a cucumber, put it on your forehead and eat it. broccoli -- oatmeal, i mentioned. iceberg lettuce, loaded with water. >> eric: but iceberg doesn't have vitamins and minerals. >> have a tomato with it. >> eric: spanach, asparagus, grapefruit. cucumbers and broccoli, unless you are president bush, who doesn't like broccoli. >> my choices are much more

exciting. in the morning, have grapedispriewt two glasses of water, two glasses in the morning, three for lunch and two at night. seven glasses. hydrate and grapefruit is full of vitamins and has water. during the day, watermelon is my favorite. it's 90% water. it's a lot more exciting than the broccoli and the asparagus -- >> antioxidants, too. >> the iceberg lettuce is great for lunch. but drink a lot. this is the only time i would tell you, stay away from coffee on a day like this, don't drink too much. >> stay away from coffee. >> alcohol. stay away from alcohol in the heat. >> eric: how about iced tea? >> iced tea is fine. it has caffeine. but you are well hydrating. what i like is, you not only lose a lot of water, but you lose minerals.

i likeigate -- i like gatorade. stay away from cold beer and sugary drinks like sodeas. >> jamie: doctors, thank you. >> good to see you. >> eric: thank you, as always. we start with a fox news alert for you, out of egypt with a protest, as you can see righted there, growing. it is almost 5:00 p.m. in cairo, egypt. thousands more demtraitors have been gathering throughout that capitol today. they're calling on egyptian president muhammad morsi to step down, right now. but he is vowing to stay and go nowhere. the protest pitting many against islamist rule. but some fear it could be a potential war in a nation that has been one of the strongest allies where islamic influence has gained. >> jamie: this is a brand-new hour inside america's news

headquarters, it is tense on the ground there. it is demonstrators -- a chilling reminder of the 2011 upreadsing that everythrew hosni mubarak. the military is setting up barricade it's look at these crowds. they are all around the presidential palas and hayare threatening-- the police are -- if the violence breaks out. connor powell is monitoring this from the mideast bureau. >> reporter: the momentum for the protests have been building for days and weeks and months. it was just one year ago that president morsi was sworn in and took control and power in egypt. since then, the country has been in a near constant state of conflict where muhammad morsi's party that controls egypt. much of th