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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.
The familiar sounds of your heart are made by the heart's valves as they open and close.
People about to have surgery must tell their health care providers about all supplements they take.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.