dr. mehmet oz, here to tell us how to be the smartest patient you can be. >>> and small wonders. the new trend in teeny apartments. the size of two parking spaces. fold-away stoves? >>> good evening. we begin with a new report and a major alert about the speed of climate change on this planet. hundreds of scientists from around the globe saying today there is evidence that global warming is accelerating. sea levels rising, greenhouse gases mounting, glaciers melting. and for the first time, a government report links the recent wild weather to man-made causes. so is this a kind of tipping point. abc's weather editor sam champion begins with breaking it down for us. >> reporter: the extreme weather of 2011. >> oh, gosh that is amonster tornado. >> reporter: the worst drought in a decade. the hottest 12 months we've ever lived through. the worst drought in a decade. flood zones getting pummeled. extreme weather becoming the rule, not the exception. and according to many scientists, global warming is a cause. >> what we know really about global warming is it increases the likelihood

dr. mehmet oz, "the dr. oz show."e only ones that have those kinds of questions. >> there's a lot of remarkable things you'll see on this series. the ex-wife wanting to have sex with her ex-husband. it highlights the reality you have to have a partner with you. you shouldn't go to the hospital alone. mr. abrams, that patient did. if you find one person that cares, that makes me feel like it was worth it. if your heart doesn't have a reason to keep beating, it won't keep beating. it was remarkable to witness it firsthand. >> we're learning so much from watching this. can learn so much, as patients. the questions. and you say write them down, when you want to talk to your doctor. >> write them down. and bring a copy. we got through medical school by doing homework. give us a list of questions that are important to you. that's part of what you learn from the series. i cannot emphasize enough, how exhilarating it is, to see what it's like to be in a major urban hospital. these television drama shows on television, are bel

dr. mehmet oz and mark hyman we developed a 52-week program called "the daniel plan." it launched in january 2011, and to date, we have over 15,000 participants. so far, the results have been stunning. in the first six months of the program, the churches lost over 200,000 pounds. and people report improved energy, focus, memory, sleep and mood, plus reductions in pain, stress, blood pressure diabetes, and many medications. the plan is filled with great content, but the secret sauce is that it is centered around a small-group format, where five to eighteople meet weekly support each other. we have leveraged one of the most effective tools for change, the power of human connection. when you make a commitment to walk or work out with someone else, you're much more likely to show up. if you really want to change teach someone else how to do it. your relationships have a dramatic impact on your health. and for people who really want to be healthy, associating with other healthy people is the strongest and most direct path to change. this doesn't mean you have to give up you

dr. mehmet oz, and "new york med" airs tomorrow on abc. >>> coming up, dishing with that man.dom or the largest cashback card? oh, i'll try the largest. oh, that is too bad. apparently you don't know chase freedom guarantees you 1% cash back. 4 times more than the largest cash back card, which only gives you a quarter percent until you spend $3,000 every year. but have fun. bob and weave once you're in there. don't get short changed. get your cash back. chase freedom. >>> out here in times square with david arquette. we loved seeing him on last year's "dancing with the stars." what brings you? you have a great new project. >> i'm working with a company called ecomom.com. it's the it's all good campaign. it's a website for mothers where you can shop and they done all the vetting. it's really healthy. and -- with every purchase you make for one child, they get one meal a day. >> how did you get involved with this? >> i did work with feeding america and different pantries. i work at st. joseph's center. hunger relief has always been an important thing for me. today, we're doing a

dr. oz as a young resident but also, mehmet, you're on lunch patrol. we see the choices they make. better make the choices they make? >> i think they make decisions in the heat of the moment. it's not just about sex, though it happens there, too. when you're hungry, you have a biology of blubber that causes you to do foolish things. the reason i hassled them is because i love them. there's a loft affection. it's the support and connection between us that makes "new york med" sing. you feel like a community, if i didn't hassle, i would be enabling. >> the love is clear. you speak of automating our life and eliminating the binge impulse. >> you need an escape food. nuts, a piece of fruit. i ask the nurses to do than. chemothese simple foods. the brain is not looking for calories. it's looking for nutrients. you're craving vitamins. give your brain what it wants. >> we have the chocolate. it's not all bad. >> it's 70% cocoa chocolate. >> last time you were here, you talked about the smart things we can do. but doctor, diagnose and listen to yourself. you didn't take your own advice. >

dr. oz, also a world renown cardiac surgeon. >> reporter: you probably know mehmet oz as the hugely popularv doctor and host of his own show. >> -- the wear and tear on your most vital organs. >> reporter: but this global celebrity has another job, his true passion. he is still one of the leading heart surgeons in the world. >> got a patient. it's great pleasure. >> reporter: dr. oz still sees patients. still operates almost every week. >> a lot of folks dreenlt liez that i still practice medicine. >> reporter: it's amazing he still has time for it. >> you have the heart of a mazer ratty. >> reporter: born in cleveland to turkish parents, oz felt a natural attraction to medicine. >> there's very few things in life i could have done successfully. heart surgery is probably one of the few. no matter what, to be a rational optimist, when everything's falling apart and there's no conceivable way you could rationalize that the patient could survive, you have to be a cheerleader. >> reporter: paternal approval played a role. >> my father came from a very poor family in the koran belt of turkey. pu