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Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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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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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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There are more bacteria in your mouth than there are people in the world.