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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.