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Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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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.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Thyroid conditions may make getting pregnant impossible.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Young sperm whale Young sperm whale
Electron-micrograph of human sperm. Electron-micrograph of human sperm.
sperm trying to fertilise an egg. sperm trying to fertilise an egg.
Sperm Sperm
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
Model of malaria protozoa in a red blood cell. New parasites are produced and mature in the RBC, ... Model of malaria protozoa in a red blood cell. New parasites are produced and mature in the RBC, ...
Video: Atrophy

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