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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.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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The horizontal fraction bar was introduced by the Arabs.

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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Letters and Numbers Letters and Numbers
New England children like David, Joanna, and Abigail Mason (painted by an unknown artist around 1670 New England children like David, Joanna, and Abigail Mason (painted by an unknown artist around 1670
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Frequency Analysis of Letters Used in the English Language Frequency Analysis of Letters Used in the English Language
chemical-nomenclature-and-chemical-formulas chemical-nomenclature-and-chemical-formulas
Apple Letters Apple Letters
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

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