In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
