Little-known neurological condition causes uncontrollable crying, laughter

April 7, 2015 10:00 AM

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An estimated 2 million Americans suffer from a little-known neurological condition called psuedobulbar affect (PBA), but many of them do not even know it.

People with PBA experience involuntary bouts of crying, laughter, or episodic anger, according to the American Stroke Association. These outbursts are uncontrollable and can occur without any type of emotional trigger - they may be out of proportion, mood incongruent, or involve rapid switching betw...

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