There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Medication errors are three times higher among children and infants than with adults.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Chest CT scan. The stringy, cobweblike area indicates lung damage from smoking that has resulted in
Damage to the Insula and Smoking Cessation
Health Benefits of Marriage
Health Care Timeline
Functional foods are being used by some health care professionals