03/28/2008 02:46 am ET Updated Nov 17, 2011

What Is Persistent Sexual Arousal Syndrome?

PSAS, identified and named just six years ago, remains a mysterious condition that thousands of women wish they didn't have. They are constantly on the edge of orgasm regardless of time, place or circumstance. And while this situation might sound desirable, funny or just plain weird it is actually akin to being a prisoner: a nightmarish reality where a woman's body acts independently of her own desires.

ABC News spoke with four women who all experience unwanted sexual sensations. Heather Dearmon, Nancy Austin, and two women who requested anonymity (referred to as Lauren and Emily) all suffer from unintended sexual arousal.

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