Much like Cheney's man size safe McCain has been less than forthcoming with his medical records. 
What's he hiding?Edit
- STDs (some from the silent film era)
- a bad heart
- an old brain
- a huge Mc-Cain
- restless leg syndrome
- irritable bowel syndrome
- irritable old man syndrome
- an extra testicle
- improvised exploding face syndrome
- a Panamania birth certificate
- An arrowhead in his ass from the battle of little big horn.
- money 
- needle marks from all the times he's injected redbull into his taint
- organs taken from todlers as they slept.