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Author Question: Which type of indoor air pollution is the second leading cause of lung cancer? A) mold spores B) ... (Read 23 times) |
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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Medication errors are three times higher among children and infants than with adults.
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There are 20 feet of blood vessels in each square inch of human skin.