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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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Blood Loss - Bleeding

Symptoms & Signs

What are the signs and symptoms of the condition?

Symptoms of a large amount of blood loss are:

bluish lips and fingernails

bruising

clammy skin

confusion

decreased alertness

low blood pressure

paleness

rapid heart rate

shock

weakness

Examples of external bleeding through a natural opening include:

blood in the stool, which can appear to be either black, bright red, or maroon

blood in the urine

blood in the vomit, which can be red, brown, or black, like coffee grounds

vaginal bleeding

Internal bleeding can be minimal or serious. It can cause bruising or a hematoma, which is an area of swelling filled with blood. Internal swelling or bruising cannot be seen.

Signs of internal bleeding may include :

abdominal pain, caused by irritation to the coverings of the abdominal structures

coughing up blood

fainting

shock

swelling of the abdomen

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