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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Vaccines prevent between 2.5 and 4 million deaths every year.
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The longest a person has survived after a heart transplant is 24 years.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Gestalt Law of Similarity
The striking structural similarity between the translocation factor EF-G (right) and the ternary
Gestalt Principle: Similarity
Similarity of the chemical structure of 5-bromouracil (5-BU) and thymine
Hemostatic Agents Are Available as Dressings or Granules