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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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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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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.