Did you know?

The horizontal fraction bar was introduced by the Arabs.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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Excessive alcohol use costs the country approximately $235 billion every year.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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