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Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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Video: Hormonal regulation of pregnancy - weeks 17 through 38

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