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.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
A Kiowa couple. The woman to the right is wearing an elk tooth dress.
Border Collie
Chest Woman Xray
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol