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Did you know?
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.
Did you know?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
The horizontal fraction bar was introduced by the Arabs.