biologically. >> really attack that button. >> i'm missing the button. >> now get ready to check your muscle movement, speed, and coordination. be aggressive. [ beeping ] >> ah! that's terrible. >> this next test will check your lungs. pick up the tube, take in the deepest possible breath you can, and blow. >> i'm trying not to see the funny in that but it's funny. here we go. >> don't stop. keep blowing. more, more, more. until you just can't exhale anymore. push out every last bit of air. you should be gasping at the end. >> oh. >> you have now finished all the tests. >> ow. >> good-bye and good health. >> i'm not usually all that tired after a doctor's appointment. but today i'm completely exhausted. the hope is, you know, when i come back and get the information that i'll be armed with enough ammunition to get myself to the point where one day i can actually live forever.