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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.
Asthma cases in Americans are about 75% higher today than they were in 1980.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Illicit drug use costs the United States approximately $181 billion every year.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

