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Author Question: In developed countries, the percentage of the working-age population (using today's standards) is ... (Read 240 times) |
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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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Asthma cases in Americans are about 75% higher today than they were in 1980.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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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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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.