Did you know?

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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The longest a person has survived after a heart transplant is 24 years.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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