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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
There are approximately 3 million unintended pregnancies in the United States each year.
Excessive alcohol use costs the country approximately $235 billion every year.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

