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Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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There are more bacteria in your mouth than there are people in the world.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.

