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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.