Culture-specific psychosomatic illnesses from around the world:

qi-gong psychotic reaction: (China) an acute, time-limited episode characterized by dissociative, paranoid, or other psychotic or nonpsychotic symptoms that occur after participating in the Chinese folk health-enhancing practice of qi-gong.

koro: (Malaysia) an episode of sudden and intense anxiety that the penis (or in the rare female cases, the vulva and nipples) will recede into the body and possibly cause death.

spell: (southern U.S.) a trance state in which individuals “communicate” with deceased relatives or with spirits.

Link Discuss (via Schism Matrix)