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Did you know?
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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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.