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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.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
The human body produces and destroys 15 million blood cells every second.
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.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.