Did you know?
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.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
Human tongue
Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou
Human chromosomes. (A) Female. (B) Male.
Trace Elements of the Human Body
Sensory Differences Between Species
Taste receptors in the human tongue