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Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

MacArthur and Wilson's theory of island biogeography. MacArthur and Wilson's theory of island biogeography.
The work of Charles Darwin forms the foundation for modern evolutionary theory. The work of Charles Darwin forms the foundation for modern evolutionary theory.
Drugs and Human Behavior Drugs and Human Behavior
Leininger's Culutral Care Theory Leininger's Culutral Care Theory
Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior
The four identity statuses proposed by Marcia, based on Erikson's theory The four identity statuses proposed by Marcia, based on Erikson's theory
Video: Structure of a Ribosome

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