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Did you know?

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.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

negative feedback negative feedback
Feedback mechanisms of the thyroid gland: (1) stimulus; (2) release of TSH; (3) release of thyroid h Feedback mechanisms of the thyroid gland: (1) stimulus; (2) release of TSH; (3) release of thyroid h
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ... Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ...
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ... Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ...
Video: Dendrite Animation

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