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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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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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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The longest a person has survived after a heart transplant is 24 years.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.