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Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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People about to have surgery must tell their health care providers about all supplements they take.

Application of a Hot Compress Application of a Hot Compress
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Squeeze hands and fingers. Compress and broaden the hand. Squeeze along each finger. Squeeze hands and fingers. Compress and broaden the hand. Squeeze along each finger.
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How to vertically stretch and compress the quadratic function How to vertically stretch and compress the quadratic function
How to vertically stretch and compress a sinusoidal function (y=a*sin⁡b(x−c)+d) How to vertically stretch and compress a sinusoidal function (y=a*sin⁡b(x−c)+d)
Video: Contraction cycle of a sarcomere

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