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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.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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There are 60,000 miles of blood vessels in every adult human.