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Did you know?

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.

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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

The respiratory system: nasal cavity, pharynx, larynx, trachea, bronchus, and lung with expanded vie The respiratory system: nasal cavity, pharynx, larynx, trachea, bronchus, and lung with expanded vie
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
Degenerative Diseases of the Central Nervous System Degenerative Diseases of the Central Nervous System
A CO2 fire extinguisher being used on a fire set in an open drum during a demonstration at a fire ... A CO2 fire extinguisher being used on a fire set in an open drum during a demonstration at a fire ...
The major divisions of the nervous system. The major divisions of the nervous system.
The Male Reproductive System The Male Reproductive System
Video: Power Supply Polyacrylamide Gel Protein Sample

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