heart valve, esophagus, trachea. you will take the old one and put a new one in.ause medicine has done a great job that we are living longer and longer and have you organ failure. a lot of work comes from a colleague of mine in wake forevaluate, who has spent decades and years in this field. we have seen replacement of a bladder for spina bifid a. you change someone's life. and you can take someone's stem cell from skin -- not from embryo -- the results and the controversy, so you can get stem cells or your own cells and put them on a scaffold. a plastic. now, these cells, they can grow if they are close to each other. the proximity can work and you can create a new trachea and put it back in-- >>> how many years are you talking about this? if you go to the doctor now? >> it sounds so high tech. >> it's here! >> for bladder, we have done this -- >> trachea, they did it in sweden. >> we are going to intest and i know heart valve. pancreas, liver and nerves take longer. but this is going to revolutionize. the fact that you can take someone's cells and regrow it into

trachea, bladder has already been made already. li john: what about your life? you change jobs, you live longer. >> but there is a much more opportunity if you want to a be a doctor or a lawyer and an entrepreneur is tough to ye have those three carriers because two of them requiremore a lot of education.ly with a logger or healthier life span we can go back for education to try a new career. john: it will change families? >> we will be around longer, more marriages, a fertility extends there will be a lot more diversity his.>> john: a sibling could be 50 years younger.hey this creeps' me out a little should not live longer thatuy you've they shall lose purpose. one guy said if i may get 75 i am tie. is there a natural cycle? >>guest: i think people tend to say that because they assume as you get older you also get ill but when that is the case, you do lose your lust for life but if you are healthy and energetic, there is so much more to do and you think about it, you never have enough time to do everything you want, do you? we need more time. >> there was a pro

scientists have created brand new humoring begans using a person's adult stem cells so bladders, tracheaan blood vessels, they have been created already. >> so, assume we accept this, we are healthy, what hpens to your life? you work longer? you change jobs don't you ge sick of it? >>guest: the exiting is, there will be much more opportunity. right now,ith the average life span of 80 years, if y wt to be doctor, a lawyer, and an entrepreneur it and tough to have all of those three years because two of the years require a lot education. when we have longer healthier lifespans we can go back to education and try new years we would not have trie otherwise. >> they will change families? >>guest: we will be around longer, there is more potential to have more marriages and of course fertility extends, there could be different types of family structures. it will be more diverse. >> you could have a sibling who is 50 years younger in. >> yes. >> some of this creeps me out a bit. "new york times" op-ed they write silly things and they said, people should not live longer, you will lose purpose in

scientists have created brand new humoring begans using a person's adult stem cells so bladders, tracheaman blood vessels, they have been created already. >> so, assume we acce this, we are healthy, what happens to your life? you work longer? you change jobs? don't you get sick of it? >>guest: the exiting is, there will be much more opportunity. right now, with the average life span of 80 years, if you want to be a doctor, a lawyer, and an entrepreneur it and tough to have all of those three years because two of the years require a lot education. when we have longer healthier lifespans we can go back to education and tryew years we would not have tried otherwise. >> they will change families? >>guest: we will be around longer, there is more potential to have more marriages and of course fertility extends, there could be different types of family structures. it wil be more diverse. >> you could have a sibling who is 50 years younger in. >> yes. >> some of this creeps me out a bit. "new york times" op-ed they write silly things and they said, people shld not live longer, you will lose purp

eat something they have a greater risk of aspirating it and it goes down their windpipe or their trachea. that's some of the reasons they are on a liquid diet as well. but the main important thing in the icu is a patient -- the former president needs to get the calories he needs to heal. however they can give it to him, solid or liquid, that's the most important thing. >> sanjay, appreciate it. thank you very much. >> you got it. thanks, randi. >> susan hendricks joins me with a 360 bulletin. >> randy former south african president nelson mandela is home from the hospital. he will continue to receive treatment. the 94-year-old is being treated for a lung infection. he had surgery to remove gallstones. he has not appeared in public since 2010. >>> syria's chief of military police has defected to join the revolution. in a video posted on youtube which cnn cannot verify he says syria's army has deviated from the mission to protect the country while carrying out massacres against innocent civilians. >> the two firefighters who survived the sniper ambush in webster, new york will be upgraded

it will go down the windpipe or trachea and that is a reason to start a liquid diet, as well. the main thing in the icu, patients a lot of times need to get the calories he needs to heal. however they can give it to him, solid or liquid is the most important thing. >> appreciate it. thank you very much. >> thank you. >> let's check in on other top stories. susan hendrix is joining me with a 360 bull on the. >> nelson mandela is home from the hospital and will continue to receive treatment. the 94-year-old is being treated for a lung infection and had surgery to remove gallstones. he has not appeared in the public since 2010. syria's military police chief defected. in a video on you tube he says syria's army has deviated from the mission to protect the country while carrying out massacres against innocent civilians. the two firefighters who survived a sniper ambush in webster, new york, will be upgreat graded to satisfactory condition. they were shot responding to a house fire. the two killed will have funerals on sunday and monday. >>> nbc's david gregory may have violated d.c

it goes down the wind pipe and the trachea. with liquids, you can lessen that chance.ts enough calories. you can get plenty of calories into somebody in a liquid form. it's something to keep an eye on. before somebody goes home, they often want the patient eating solid food again. when they transition him back to a solid food diet, that will be a good sign that he may be getting closer to getting out of there. >> sanjay gupta, thank you. >> happy holidays, don. thank you. >> you as well. . >> so if you have a gift or donation that you want to give to the grieving families in newtown, connecticut. hold on to them. the connecticut town is asking people to stop giving. officials say the overflow has been heart warming since the tragedy, but left 20 kids and seven adults dead, but they are overwhelmed by the volume. are they offering an alternative plan? >> generally, yes. specifically, no. you stood in the town square and you saw the teddy bears and all of the candles and the angels and many sent 26 of them because of the number of people killed. it's just too much. they'