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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The horizontal fraction bar was introduced by the Arabs.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.