| Cause | Disease | Symptom |
| Bungee jumping in cold weather | |
| Mistaking plutonium isotopes for chewing gum | |
| Mrs. O'Malley's Good Time Whisky Cough Mixture | |
| Patient usually subject of practical joke | |
| Wistful longing for the 1970's | |
| Falling off high things onto concrete | |
| Sniffing disdainfully at those worse off than the patient | |
| Face huggers equipped with intelligent alien blood | |
| Standing around by water coolers | |
| Gelatin-rich diet and too much exercise | |
| Chronic overdiscussion of soap operas | |
| Sniffing cheese and drinking unpurified rainwater | |
| Tiny insects with sharp teeth | |
| Exposure to poison gas inside golf-balls | |
| Prolonged exposure to the moon | |
| Small particles of snot in the air | |
| Anything unexpected | |