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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.