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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 heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
The human body produces and destroys 15 million blood cells every second.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.