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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.