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Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

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

World human population growth through history illustrates an exponential growth pattern. World human population growth through history illustrates an exponential growth pattern.
Commensal Bacteria in the Human Small Intestine Commensal Bacteria in the Human Small Intestine
Crystal structure of human topoisomerase I in complex with a 22-bp DNA duplex Crystal structure of human topoisomerase I in complex with a 22-bp DNA duplex
The Human Tongue and Taste Buds The Human Tongue and Taste Buds
Igneous Features Igneous Features
Human brain and skull Human brain and skull
Video: Passive Smoke Exposure

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