family support. i still use my phone. i usually use a speaker phone. or i use a headset. marks and his wife are urging lawmakers around the country to require manufacturers to put warnings directly on the phones. they believe having the safety information in the manual simply isn t enough. today marks is able to provide for his family again and is back on top in the real estate business. roll over or do you fight? i m a fighter. now we can t say for sure whether alan marks tumors were indeed caused by cell phones, but good luck to him and his family. congresswoman gabrielle giffords doctotors took a bone substitute and placed it in her own native bone.
what surprised me is voices urging caution are not only getting louder, but they re getting more prominent. all right. i m on my way. if you ve ever put a cell phone to your ear, you should listen to what neurosurgeon dr. keith black has to say. there s no way to say that cell phone use is safe. i think the public has a right to know there could be a potential risk. the public generally assumes that if one is selling something on the market, that we have had assurances that that device is safe. to be clear, dr. black s message is at odds with headlines from the largest international study on cell phones and cancer. their conclusion, little or no evidence cell phones are associated with brain tumors. if you look just one layer deeper into the appendix of that same study, you ll see something unsettling. turns out participants in the study who use a cell phone for ten years or more had double the rate of a type of tumor. keep in mind cell phone use in the united states
business. do you roll over or do you fight? i m a fighter. now, we can t say for sure whether alan marks tumor, in fact, was caused by cell phones, but as we said, he s certainly a fighter. good luck to him and his family. also moving forward in the condition of gabrielle giffords. she underwent surgery to replace a piece of her skull that doctors removed months ago because of brain swelling. surgeons took a bone substitute and actually placed it in her own native bone which was saved but actually thought to be contaminated. they put in little plates, two little screws in the native skull and affixed that to the skull and actually closed the skin over that, giving her normal contour back to her head again. we have another incredible story as well of recovery. a car hit rob summers and then drove off, leaving him paralyzed from the chest down. he did have some sensation in
it her own native bone was actually thought to be contaminated. take a look at the edges. they put in four little screws, two in the bone substitute n, two in the native skull and closed the skin over that, giving a normal contour back to her head again. another incredible story as well of recovery, a car hit rob summers and drove off leaving him paralyzed from the chest down. he did have some sensation in his legs, but that was it. that was five years ags go. this week summers and his doctors announced he s been able to stand up and even take steps under his own power with some assistance. he actually uses a harness that helps him along. doctors reestablished neuro connections by electrically stimulating rob s lower spinal cord. amazing story. we ll see some answers and solutions that it leads to for other spinal cord injured victims. coming up, i ll answer your questions about cell phone
paraplegics. this guy could stand up again. this is when an accident paralyzed five years ago and doctors said he would never walk again. a medical team implanted an electric stimulator and within months he was taking assisted steps on a treadmill. i ll be back at the top of the hour with more live news here. i m dr. sanjay gupta. welcome to the show. today i m taking a closer look at something that s become so closely woven into our lives it s hard to imagine what we would do without it. i m talking about our cell phones. most of us take it for granted that they re safe and that may be the case. but i ve also spent the last several months investigating and talking with people who say don t be so sure. some of you may already be rolling your eyes. i understand that. i want you to stick with me this half hour. we ve been digging a little deeper to try to get a more definitive answer. i will tell you this, it wasn t easy. what surprised me is voices urging caution are not onl