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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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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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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

The circulatory system plays a central role in thermoregulation by the moth, Manduca sexta The circulatory system plays a central role in thermoregulation by the moth, Manduca sexta
Jane Goodall pioneered the modern approach to studying primates in the wild, involving close-up obse Jane Goodall pioneered the modern approach to studying primates in the wild, involving close-up obse
The Major Divisions of the Nervous System The Major Divisions of the Nervous System
Conducting system of the heart. Conducting system of the heart.
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A system absorbs 623 J of heat while doing 457 J of work. What is the value of U? A system absorbs 623 J of heat while doing 457 J of work. What is the value of U?
Video: Cardiac conductile cells

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