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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Other disorders, such as stroke
and some tumors, can also cause similar symptoms. A doctor can determine
if the problem is Bell's palsy based on the specific symptoms. The doctor may also use blood tests,
an MRI, or a CAT scan.