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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Macro- (prefix)
Macro- (prefix): Prefix from the Greek
"makros" meaning large or long. Examples of terms involving macro-
include macrobiotic, macrocephaly, macrocytic, macroglossia,
macrophage, macroscopic, and macrosomia. The opposite of macro- is
micro-.