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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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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.