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Fad Diets

Nutrition and Well-Being A to Z - Cite This Source

SEE ALSO WEIGHT LOSS DIETS; WEIGHT MANAGEMENT.

Marjorie R. Freedman

Bibliography

Freedman, M. R.; King, J.; and Kennedy, E. (2001). Popular Diets: A Scientific Review. Obesity Research 9 (Suppl. 1):1S-40S.

Thomas, P. R., ed. (1995). Weighing the Options. Washington, DC: National Academy Press.

Internet Resouces

American Heart Association. <http://www.americanheart.gov>

National Center for Chronic Disease Prevention and Health Promotion. "Healthy Eating Tips" and "Obesity and Overwight." Available from <http://www.cdc.gov>

National Heart, Lung, and Blood Institute. <http:www.nhlbi.nih.gov>

Shape Up America. <http://www.shapeupamerica.org>

Nutrition and Well-Being A to Z
Copyright © 1999 by The Gale Group.
Published by The Gale Group. All rights reserved, including the right of reproduction in whole or in part in any form.

Fads and trends

Wikipedia, the free encyclopedia - Cite This Source

A fad is something that becomes very popular with a small group of people for a short period of time. It is unpredictable, short lived, and without social, economic and political significance

A trend is something that becomes popular within mainstream society over a long period of time. It is the direction of a sequence of events that has some momentum and durability

Both fads and trends are propagated by trendsetters.

References

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This article is licensed under the GNU Free Documentation License.
Last updated on Wednesday March 12, 2008 at 03:37:15 PDT (GMT -0700)
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FAD

Wikipedia, the free encyclopedia - Cite This Source

In biochemistry, flavin adenine dinucleotide (FAD) is a redox coenzyme involved in several important reactions in metabolism. FAD can exist in two different redox states and its biochemical role usually involves changing between these two states. FAD can be reduced to the FADH2, whereby it accepts two hydrogen atoms:

FADH2 is an energy-carrying molecule, and the reduced coenzyme can be used as a substrate for oxidative phosphorylation in the mitochondria. FADH2 is reoxidized to FAD, which makes it possible to produce two moles of the universal energy carrier ATP. The primary sources of reduced FAD in eukaryotic metabolism are the citric acid cycle and the beta oxidation reaction pathways. In the citric acid cycle, FAD is a prosthetic group in the enzyme succinate dehydrogenase that oxidizes succinate to fumarate, whereas in beta oxidation it serves as a coenzyme in the reaction of acyl CoA dehydrogenase.

FAD is derived from riboflavin, or vitamin B2. Many oxidoreductases, called flavoenzymes or flavoproteins, require FAD as a prosthetic group which functions in electron transfers.

Additional images

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This article is licensed under the GNU Free Documentation License.
Last updated on Saturday January 26, 2008 at 17:37:28 PST (GMT -0800)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation

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