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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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Excessive alcohol use costs the country approximately $235 billion every year.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.