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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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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

(c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found (c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found
Large Yellow Wood Sorrel Large Yellow Wood Sorrel
Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
Exercises and Activities That Can Improve Cardiorespiratory Fitness Exercises and Activities That Can Improve Cardiorespiratory Fitness
Molecular Movement Molecular Movement
Where’s the Saturated Fat in Your Foods? Saturated fat is found in animal products, tropical oils Where’s the Saturated Fat in Your Foods? Saturated fat is found in animal products, tropical oils
Video: Gastrin (protein digestion)

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