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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
Vaccines prevent between 2.5 and 4 million deaths every year.
Blood is approximately twice as thick as water because of the cells and other components found in it.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.