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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Your heart beats over 36 million times a year.