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Did you know?
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.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.