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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.