Shrinking Penis

Koro ("head of turtle" in Malay) is a type of mass hysteria (which is greek for uterus) , particularly prevalent in Asia and Africa, where men panic about their genitals retracting into their abdomen and subsequent death. Often people will be accused of witchcraft and the afflicted individual may attempt desperate measures to stop the shrinkage, by tying rocks of heavy objects on the pecker. This is a surprisingly well-studied phenomenon with over 130 publications on the subject on pubmed. There has even been documented "epidemics" of Koro. In the west, koro is rarely observed, but can be induced as a consequence of marijuana intoxication. However these drugs may also cause you to grow giant balls and rescue drowning people. I'm just saying. While there are no "cures" for koro, psychological treatment is very effective. Hypnosis might also be worth a try, since it can cure woman of sperm phobia...