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Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The horizontal fraction bar was introduced by the Arabs.