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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.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
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Illicit drug use costs the United States approximately $181 billion every year.