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Asthma cases in Americans are about 75% higher today than they were in 1980.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
There are more sensory neurons in the tongue than in any other part of the body.
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.