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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Schistosoma mansoni
Schistosoma mansoni: A species of trematode worm that
parasitizes humans and that (like S. japonicum) causes liver and gastrointestinal tract
disease. See Schistosomiasis.