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Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Diseases and Disorders of the Respiratory System Diseases and Disorders of the Respiratory System
Drug tolerance: A shift in the dose-response curve to the right as a result of exposure to the drug. Drug tolerance: A shift in the dose-response curve to the right as a result of exposure to the drug.
Neutrophils in a normal blood smear. Neutrophils in a normal blood smear.
Transmission of recessive disorders (25% chance for an affected child). Transmission of recessive disorders (25% chance for an affected child).
Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ... Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ...
How to calculate present value (Question 3) How to calculate present value (Question 3)
Video: Mendel's Pea Experiment

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