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Did you know?

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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Illicit drug use costs the United States approximately $181 billion every year.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Video: HIV replication/ Replication cycle of HIV

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