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Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Cell division in common life cycles Cell division in common life cycles
Lewis Hine’s 1910 photograph shows a tenement alley in New York City. More famous for his “unsettlin Lewis Hine’s 1910 photograph shows a tenement alley in New York City. More famous for his “unsettlin
Benign prostatic hyperplasia. Benign prostatic hyperplasia.
As their numbers grow and their resources and health improve, the elderly will enjoy life more and ... As their numbers grow and their resources and health improve, the elderly will enjoy life more and ...
Colon polyp; a benign epithelial tumor. Colon polyp; a benign epithelial tumor.
Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations
Video: Stroke volume - contractility definition

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