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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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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Illicit drug use costs the United States approximately $181 billion every year.