Multiple Personality Disorder: witchcraft survives in the twentieth century.

An epidemic of psychiatric illness is sweeping through North America. Before 1980, a total of no more than about two hundred cases had ever been found in the entire world, throughout the entire recorded history of psychiatry.
Yet today, some proponents of the condition claim that it afflicts at least a tenth of all Americans, and perhaps 30 percent of poor people -- more than twenty-six million individuals.
An industry involving significant sums of money, many specialty hospitals, and numerous self-described experts, has rapidly grown up around the disorder...

www.csicop.org/si/9805/witch.html