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Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

The thyroid gland. The thyroid gland.
The salivary glands, parotid, sublingual, and submandibular. This image shows the position of each g The salivary glands, parotid, sublingual, and submandibular. This image shows the position of each g
The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u
Feedback mechanisms of the thyroid gland. Feedback mechanisms of the thyroid gland.
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Video: Structures that affect circulation - arterioles and vasomotor responses

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