dr. roshini raj who is contributing medical editor for "health" magazine. dr. raj, thank you for being here. president bush broke a bone in his neck. that sounds serious? >> it can be very serious. we are talking about the vertebrae, the bone to protect your spinal cord. if it impinges on the spinal cord or damaging the spinal cord in any way, you can have paralysis or death. in this case it sounds like it was a mild fracture in the cervical spine, the part of the spine in the neck. and he'll be in a neck brace for six to eight weeks, but luckily it was not more serious than that. >> any complications from what he's already dealing with? >> so he has a form of parkinson's called vascular parkinson's. it's caused by mini strokes that can cause paralysis and he's in a wheelchair because of that. that may have led to the fall that precipitated this fracture but they are not really related. a fracture is something different. he has to keep the bone straight until it heals. >> for a young person this would be a relatively minor injury. however, at 91 years old, is th

dr. roshini raj who is contributing medical editor for "health" magazine. dr. being here. president bush broke a bone in his neck. that sounds serious?

dr. raj, an internist and gastroenterologist dr. benjamin swartz ab an oncology surgeon and dr.ond a family or friend ask your own doctor who they would go to. as doctors we have the inside scoop on doctors in the community. your doctor will know your personal medical condition and who would be the best fit kwr you. asking your doctor is a great way to go. >> does it matter if you are an internist or a surgeon? >> i think it matters a lot n. the field of surgery, part of bedside manner matters. you want somebody confident to do the procedure with the right experience. someone with good outcomes. that's equally as important as the personality of the person you are seeing. >> trchlt lipman, you are more holistic. >> i agree. if you are a surgeon you want someone with good hands. for an internist you want someone who sees the big picture to keep you healthy and treats the problem. takes lifestyle, diet stress, sleep. all these factors. >> so you're in the examining room with the doctor. what's the first question you should ask? >> it depends on what kind of doctor you are seeing. i

raj. it's vanilla oil. i was actually the one who noticed. okay, let's just start. okay, the first question is on the topic of optics. "what is the shortest light pulse ever produced?" (buzzer) drs 130 attoseconds. that is correct. i knew that, too. good for you, sweetie. okay, next question: "what is the quantum mechanical effect used to encode data on hard-disk drives?" (buzzer) howard? and of course the answer is giant magnetoresistance. right. hey, i buzzed in. and i answered. it's called teamwork. don't you think i should answer the engineering questions? i am an engineer. by that logic i should answer all the anthropology questions because i'm a mammal. just ask another one. okay. "what artificial satellite has seen glimpses of einstein's predicted frame dragging?" (buzzer) and of course, it's gravity probe b. sheldon, you have to let somebody else answer. why? because it's polite. what do manners have to do with it? this is war. were the romans polite when they salted the ground of carthage to make sure nothing would ever grow again? leonard, you said i only had to ask questions. the objective of the competition is to give correct answers. if i know them why shouldn't i