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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Embolus
Embolus: A blockage or plug which is obstructing a blood vessel.
Examples of emboli are a detached blood clot, a clump of bacteria, or other foreign
material, such as air.