Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Legg-Perthes disease
Legg-Perthes disease: A hip disorder in children
due to interruption of the blood supply to the head of the
femur (the ball in the ball-and-socket hip joint). Also
called Legg disease and Legg-Calve-Perthes disease.