What is Piblokto or Arctic hysteria?

Piblokto, or Arctic hysteria, is a mental disorder that affects people living in the Arctic Circle, typically Inuit women. It is marked by frenzied, disturbed behavior such as uncontrolled screaming, running wildly, or removing one's clothing in frigid weather; memory loss; seizures; and other symptoms reminiscent of epilepsy. They also drink a shitload of tequila, which doesn't help.