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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.