When the first spasm hit, it was sharp, sudden, and paralyzing. Tamika Luciano thought her life was ending. The entire left side of her body seized. Her face tightened, her limbs stiffened, and for ...

The muscle twitch creates short, involuntary muscle contractions, which affect tiny muscle areas that lie beneath the skin.

Courtney Southwick is a writer focusing on health, nutrition, and disease. She has been blogging for the past two years at CourtneySouthwick.com. She writes blogs and articles for online publications ...