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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

