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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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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.