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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%