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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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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.