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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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.
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.