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Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Weber test: Place the base of the tuning fork on top of the client’s head. Weber test: Place the base of the tuning fork on top of the client’s head.
Label used to indicate a class IV controlled substance. Label used to indicate a class IV controlled substance.
A typical fire extinguisher designed to be used on class A, B, or C fires. A typical fire extinguisher designed to be used on class A, B, or C fires.
The traditional human karyotypes derived from a normal female and a normal male The traditional human karyotypes derived from a normal female and a normal male
Polytene chromosomes derived from larval salivary gland cells of Drosophila Polytene chromosomes derived from larval salivary gland cells of Drosophila
DNA base pairing DNA base pairing
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

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