Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
lung cancer cell
Classes of colorectal cancer.
Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I