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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Maple syrup urine disease (MSUD)
Maple syrup urine disease (MSUD): Hereditary disease due to
deficiency of an enzyme involved in amino acid metabolism, characterized by urine that
smells like maple syrup.