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Gangrene is caused by lack of blood flow to a part of the body. When it occurs, the part of the body not receiving blood begins to rot and decay. It can be quite dangerous, because when it occurs part of your body is already dead. If the rotting flesh is still attached to your body, toxins produced from decaying flesh can travel through the body and cause infection. In addition, some cases of gangrene are caused by diseases that could have other adverse effects.

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12y ago

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