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
next to your head. that is something marks and his family support. i still use my phone. i usually use the speaker phone or i use the headset. reporter: 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. do you roll over or do you fight? i m a fighter. we can t say for sure whether alan marks tumor was caused by cell phones. he s certainly a fighter. good luck to him and his family. a big step forward in the recovery and rehabilitation of congresswoman gabrielle giffords. she underwent an operation to replace a piece of her skull that doctors removed four months ago because of brain swelling. her surgeons took a bone substitute and actually placed
we met alan marks. he is a successful businessman with a remarkable story. marks battle with brain cancer led him on this journey to capitol hill, doing something he never expected to do. for alan marks, being in the real estate business for 30 years has been a passion. i like building homes and seeing people move into them, happy. but three years ago, his life changed. i had a seizure and i don t remember it. the cause of that seizure, a malignant brain tumor. surgeons were able to remove the cancer, but he says the recuperation was challenging. it took a long time. even now, i have some deficits, and you try to find ways to overcome them. and there s something else. marks feels responsible for his own cancer. i know what it is. it was my cell phone use. there s no way you could put something to your head for 20 years and not have it cause