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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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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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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.