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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The healthcare provider will start to diagnose gangrene based on a person's medical history and physical exam. Other special tests and scans may be ordered including:
x-rays to examine the tissues for gas bubbles
blood tests and blood cultures
tissues cultures or cultures of any drainage from the wound