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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Mercury Element Mercury Element
Two areas of reduced cortical volume and one area of increased cortical volume observed in people ... Two areas of reduced cortical volume and one area of increased cortical volume observed in people ...
Reaction at constant-volume Reaction at constant-volume
The five skills of the element Analysis of Situation The five skills of the element Analysis of Situation
A fictional element named Nivadium is found to have three naturally occurring is A fictional element named Nivadium is found to have three naturally occurring is
The volume of a well is 40.0 ft3. How many kilograms of concrete will it take to fill the well ... The volume of a well is 40.0 ft3. How many kilograms of concrete will it take to fill the well ...
Video: Gastrin (gastric emptying) & Secretin (buffering gastric acid)

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