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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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There are 20 feet of blood vessels in each square inch of human skin.

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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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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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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.

Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig
A highly simplified view of the overall plan of the human body. A highly simplified view of the overall plan of the human body.
Bureaucracies have their dysfunctions and can be slow and even stifling. Most, however, are highly ... Bureaucracies have their dysfunctions and can be slow and even stifling. Most, however, are highly ...
A highly sulfated glycosaminoglycan is heparin A highly sulfated glycosaminoglycan is heparin
The ability to solve problems may be highly efficient in the older adult The ability to solve problems may be highly efficient in the older adult
Video: Bone Healing Animation

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