Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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There are 20 feet of blood vessels in each square inch of human skin.
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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.
Oasis in space: earthrise over the moon's horizon.
Blood coagulation pathways in vivo showing the central role played by thrombin
Preschool children played with same-sex or opposite-sex playmates