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Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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

Wheat and Cotton Prices and Consumer Price Indexes, 1865–1896 Wheat and Cotton Prices and Consumer Price Indexes, 1865–1896
The population of Asia increases rapidly, the demand for food and water is also growing The population of Asia increases rapidly, the demand for food and water is also growing
The growth in demand for energy use is met by burning fossil fuels The growth in demand for energy use is met by burning fossil fuels
The growth in demand for oil in China is driven by the growth in demand for personal transport The growth in demand for oil in China is driven by the growth in demand for personal transport
Real Price of Oil, 1861–2010 Real Price of Oil, 1861–2010
Refer to Scenario 3.1. If the price of potato chips is $0.50 and the price of Cola is $4.00, ... Refer to Scenario 3.1. If the price of potato chips is $0.50 and the price of Cola is $4.00, ...
Video: Introduction to Macular Degeneration

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