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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.