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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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.