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Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
![History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar](https://biology-forums.com/gallery/47/medium_12359_16_06_12_7_11_02.png)
![U.S. adults from 25 to 74 years report that the largest proportion of their daily stressors arise ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_10_05_17_275492482.jpeg)