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Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
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.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.