but it's great. >> for the third annual warrior 100-k bike ride president bush selected 15 warriors to ride his trails. the message for those warriors and for veterans everywhere is for exercise to help them improve the quality of life to make you feel better about yourself. this message extends to all of us. >> we have some pretty tough trails on the ranch. and everybody made them through. there was a lot of encouraging words and lot of inspirational examples. >> mountain biking is good. it's great exercise. exercise cleans the mind and lifts the spirit. this is joyous occasion. part of the reason why is you and i are burning calories. >> we have to help prepare them for the weather. rough terrain and possibly critters out there. >> last year, on the first day of the 100-k ride it was 105

degrees and seven participants were sent to local hospitals with dehydration and fatigue. this year it was cooler. the physician in charge, dr. hodges who has been president bush's personal physicians, dealt more with minor cuts and scrapes and major medical complications were avoided. one veteran who sustained a blowblow to amputation described as not even be disabled. he has overcome his disability and proceeds with normal life. >> i'm still in the fight. i can still do this. understand that i am just a person that also has an amputation but i can still do

things. >> not all the scars of war are visible. there are over 200,000 victims of pdsd from iraqi and afghanistan campaign. it's a long road to recovery. >> jamie: way tonight ask you, what did you personally learn? >> you know, i was very inspired by these guys. especially the major who you saw at the end who actually won a silver star and he is up for a congressional medal of honor did not mention it to me. he said, i overcome my disability but after a while i don't even feel like i have it. that is what president bush was saying, you take the hand you are dealt with and move on. it was very inspiring, an old guy like he got on a mountain bike and i learned and started to exercise every day. president bush is very inspirational in teorms of getting people to bring the best out themselves physically and

mentally. >> jamie: dr. siegle, nurse your soreness. doctor, you know that hope plays a huge role? >> absolutely. this is becoming a tradition. i also want to really send my regards and appreciation to all the vets and warriors who sacrificed. what he is doing here. i saw a picture of him getting off his bike and getting behind his soldiers and pushing him up the hill. that sends a strong message. its sense of struggle. it's a sense of supporting each other. this is not about biking. this is a symbol how we come together to win. he has talked about in the past there are evil doers out there when we stick together, whether it is the war or fight against cancer or ptsd, we are going to come up on top as a winner. i congratulate him.

i'm glad he is doing this. you can see they work and love each other. it's inspirational story he is sending as a leader i have a lot of respect for them. he talks about love, that is very powerful. >> eric: biking, all sorts of terrain out in the field. we heard the former president talk about the necessity and benefits of exercise. talk about that. >> of course. there is no question. even mark he is worked on this for a year and what a great job he has done. the benefit of exercise the message i think is much stronger. i think it shows you the resilt yent and at the end when they finish the race. that is the winning ticket. at a surgeon i can tell you when i deal with my patients with cancer you have to have that energy level every day. he is a role model for a lot of people out there.

he has made some tough decisions no question for this country. look, they are altogether. there are people that are missing limbs, ptsd, he is bringing them all together. we should all follow this. >> mark, he is 66 years old. he is out there, going along with the guys who are half his age. >> a couple of points about this. first of all, he relates to a personal level to these guys. he hangs out at his ranch chatting with them. very natural. they still view him as commander in chief. at the end of the race. something symbolic happened. we were on the trail, very muddy and those of us who want to, those who want to follow me up to rim which is an area of difficult trail under mud and under water. you may get bloody and could could get hurt. he gave an option on the lower trail. he didn't send people. he led by example.

he has been inspired by abraham lincoln and troops get that. it's about courage and it's about spirited and overcoming. exercise is addictive and plays a major role in improving your health. >> it's a symbol how people have put lives out there. they sacrifice family and friends and going through major pain, but for one day, memorial day we all come together to celebrate the victory and everything we do as a team in a country. i want to congratulate him for doing this every year. it's a role model for all of us. >> jamie: thanks for mark, as well. we're going to put him to work on sunday house calls. >> eric: if you want more information on this very inspiring program here it is. the warrior 100 k right. log on to our website. there is the photo, former president pushing someone who looks like he lost one of his

legs up the hill. there it is. there is the website for that really meaning and important cause. >> jamie: we're glad we can take care of them. we wanted to take care of you. doctors using x-rays to screen for lung cancer but there a new method there is another method and doctors will explain that next. >> and got new scary facts, kidney stones, you know it. if you have it what do you do and how to treat kidney stones as sunday house calls rolls along this memorial sunday day weekend. be right back. [ record scratch ] what?! it's not bad for you. it just tastes that way. [ female announcer ] honey nut cheerios cereal -- heart-healthy, whole grain oats. you can't go wrong loving it.

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to prove to you that aleve is the better choice for him, he's agreed to give it up. that's today? [ male announcer ] we'll be with him all day as he goes back to taking tylenol. that was okay, but after lunch my knee started to hurt again, and now i gotta take more pills. ♪ yup another pill stop. can i get my aleve back yet? ♪ for my pain, i want my aleve. ♪ [ male announcer ] this may, buy aleve and help those in need. ♪ ♪ ♪ >> jamie: welcome back. every week we take a look at new

studies you should know about. this one came out. it finds that c.a.t. scans are more effective than x-rays for lung cancer. who should be screened for lung cancer, just smokers? >> if you are age between 65 and 74 and you smoked one pack for 30 years or ex-smoker and you stopped, you should listen up to this segment you need to be screened. now historically we use chest x-ray or cytology to find out if there is any cancer. now, the study, we mentioned eight few months ago, now they are definitely telling you that low dose c.a.t. scans can detect legions -- lesions. they looked at 26,000 people that got chest x-rays and 26,000 that c.a.t. scans.

27% versus 9% so they came out on top. you talk about death rates. the c.a.t. scans there was reduction of 20% reduction in deaths from lung cancer. we know that lung cancer is is a deadly disease. 150,000 people die from this. doesn't give you a second chance and screening in this particular population are at risk. >> eric: and that lesions could show up and the other issue has to deal with radiation. you have discussed that. talk about the c.a.t. scans and too much radiation? >> this is the national study and first part was published in 2011 as david said. 20% reduction of c.a.t. scans over x-rays. the normal patients are saying hey, i should have a c.a.t. scan but what about the risk and high

cost. now, the second part of this comes out where they say that only one procedure follows that c.a.t. scan. in other words, the c.a.t. scan is more sensitive it might overdo it. people that don't have lung cancer. everyone is worried that you do too many tests but the average is one follow-up test. it's up to the physician. david and ihe show, it's not the test, it's not some protocol, it's what the physician does with the information. i believe the more information you have the better. so if i have a smoker who are o are a former smoker i don't want to do an x-ray. by the time i diagnosis lung cancer, the thing has spread already. i get it in a stage one lung cancer, i have 60% cans of cure. there is a 150,000 people dying every year of lung cancer. we have to diagnosis them early. you do the c.a.t. scan and you

figure out what to do. >> eric: how do you know if it is low dose? >> jamie: i'm more concerned about secondhand smoke? >> all are risk factors. you shouldn't be asking them. your doctor should be advising you and what the risk and benefits. so when you screen, yes, there are lesions that will not affect you but if you are at risk, secondhand smoking, high risk patients in those categories should be screened with low dose c.a.t. scans. i know there is a lot of debate about this and it would increase costs and some hospitals are even lowering the cost of this so people will get it. bottom line if you practice good medicine you want to make sure you detect it. lung cancer, rate of metastasis is deadly. >> jamie: thank you.

>> eric: coming up more painful thing, kidney stones. more people are being treated for kidney stones. we'll find out what are the rick factors and war the symptoms and how do we know if we got them? be right back. if you've got it, you know how hard it can be to breathe and man, you know how that feels. copd includes emphysema and chronic bronchitis. spiriva is a once-daily inhaled copd maintenance treatment that helps open my obstructed airways for a full 24 hours. you know, spiriva helps me breathe easier. spiriva handihaler tiotropium bromide inhalation powder does not replace fast-acting inhalers for sudden symptoms. tell your doctor if you have kidney problems, glaucoma, trouble urinating, or an enlarged prostate. these may worsen with spiriva.

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>> eric: back with sunday house call. more than half a million people go to the emergency room for kidney stone problems. and one in ten people will have a kidney stone at some point. what are the symptoms? how do we upon if we have them? what do we look for?

>> what is a kidney stone? it's chemicals from the body that build up in too little fluid. if you suddenly start having flank pain or nausea or abdominal discomfort or blood in your urine, you think it's a possibility and you get checked out. what i am most interested in today, there is a new study of 85,000 women that shows that the ones who exercise the most are the one who is have the least risk of kidney stones. we know it's genetic, 25% are genetic. but not always. >> if you increase exercise, lose weight, increase the amount of water you drink, cut down on salt and sugar, you can cut down on the risk of kidney stones. but david is the expert in this. >> eric: do you get a sudden sharp pain like you are getting stabbed there? >> we have a urology topic, finally. the easy way is to look at the kidneys. kidneys are bean-like shape on

the back. so if you have a kidney stone, it could basically be located in this area. calcium oxilate is the most common. a lot of times, this won't hurt you. it can stay in the kidney and doesn't cause a problem. the minute it starts to travel down the tube, the ureter, that's when it can block the tube and it's worse than pregnancy and labor pain. it can start in the back and radiate all the way to the groin and then you have blood in the urine, et cetera. the best way is to drink a lot of fluids, that's one of the things we talk about on the fountain of youth, seven glass of water. pain management. there are medications we use for enlarged prostate, flow max for the stone to pass. ult ultimately, as a surgeon, we can go as a laser or camera and shock therapy. there is always the myth, if you

take too much yogurt or dairy, your ciiveg of calcium stone will go up -- that's a myth. but worry about tea, chocolate, spinach any bypass surgery -- they would increase the oxilate and that would increase the calcium oxilate. >> we heard mark talk about salt. how about spices? if i have been told in my family about spooses. >> not that i know of. but in that food, you are probability having a lot of salt. and that precipitates the calcium and increases the chance of stones. obesity. the number of stones in this country is on the rise because obesity is another reason to have the stones. this advice, drink a lot of fluid. i am happy to post this on our facebook with the diet that you should have or want. crit min "c" can also hurt you. >> which is amazing, that

vitamin "c" in this particular case is want helpful. i am going to ask you about the mediterranean diet. how about that? will that prevent a lot of this? your health could benefit from an extra handful of nuts or olive oil. eel take it. is there more? find out next. [ male announcer ] this is kevin. to prove to you that aleve is the better choice for him, he's agreed to give it up. that's today? [ male announcer ] we'll be with him all day as he goes back to taking tylenol. that was okay, but after lunch my knee started to hurt again, and now i gotta take more pills. ♪ yup another pill stop. can i get my aleve back yet? ♪ for my pain, i want my aleve. ♪ [ male announcer ] this may, buy aleve and help those in need.

>> jamie: olive oil and nuts, good not only for your body, but your brain, according to a brand-new study. why should we consider the mediterranean diet? >> i love the mediterranean diet. in texas, there is too much meat and potatoes. i am getting back there, to my fish and olive oil and nuts. a new study out of spain -- 500

people -- which is small. it gave one group nuts, one group olive oil and another group low-fat. they found that the group that had olive oil or nuts had increased thinking, 6 years later. decreased inflammation and increased blood supply. tree nuts, walnuts have omega 3s. this is the way to go. >> alzheimer's -- it may have an impact on prevention. >> absolutely. >> jamie: i have read this study. >> good for you. i have a confession to make. since we talked about the mediterranean diet, i lost 5 pounds myself. there is no question, olive oil and brain, you want to go nuts because they have omega 3 fatty acid, it reduces inflammation, blueberries, which i call brain-

berries, reduces oxidative stress and avocado. vitamin b12 is very critical because when you have a low amount it can give you symptoms like alzheimer's. >> get tested. ask your doctor. >> eat healthy food. >> doctor, i thought you looked trim today. >> thank you. >> keep it up. >> jamie: thank you. >> good to see you guys. >> jamie: safe trip back. >> eric: take care. we start with a fox news alert. there are new calls for a special prosecutor to investigate the irs. in the wake of the growing controversy over the agency's targeting of conservative and tea party groups, leading up to last year's presidential election, new demands for more answers. was the policy politically motivated payback to administration opponents in the heat of an election year? or merely bureaucratic guidelines on enforcing the nation's tax policies? good morning