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Recent News and Articles on the Keywords: athletic + performance + boost  Related to the article below (Last Update: 8/5/2008)

They're Not Pros, but They Cheat Like Them
Washington Post, United States -
When combined and used to boost performance, sports doctors say, these stimulants can endanger health, particularly for older athletes. ...
Pill Could Boost Sports Performance
BusinessWeek - Jul 31, 2008
... and it's a relatively small sample," said Malachy McHugh, director of research at the Nicholas Institute of Sports Medicine and Athletic Trauma at Lenox ...
First performance-enhancing drugs for exercise endurance? Hindu
Endurance lift without lifting San Diego Union Tribune
Pill Increases Exercise Endurance And Related Benefits Medical News Today
all 678 news articles »
Athletes still taking caffeine to boost performance
Reuters - Jul 28, 2008
Stuart looked at two small studies that specifically addressed the placebo effect as it relates to caffeine and athletic performance. ...
Heywood heads huge field to retain title
The Cornishman, UK -
Emma Stallard (Cornwall Athletic Club) certainly enhanced her growing reputation in the women's race with an impressive performance of front running, ...
An Athlete's Legal Aid: Caffeine
U.S. News & World Report, DC - Jul 31, 2008
... though because the people getting caffeine in a controlled trial can probably feel it, it's possible they may be imagining the athletic boost. ...

Xinhua
The Folly of the Olympic Medal Count: Athletes, Audiences Deserve ...
Bleacher Report, CA - Aug 3, 2008
The Chinese are so determined to ?catch? the United States that they created a program called Project 119 in 2001 to boost their medals in those sports. ...
China determined to win gold - at all costs Globe and Mail
all 628 news articles »

Economist
Gene doping Genetically Modified Olympians?
Economist, UK - Jul 31, 2008
... therapies being tested in mice also look as if they may interest the sort of men and women who feel their athletic performance needs a little boost. ...
Fitness calendar
Asheville Citizen-Times, NC -
PI/YO: An athletic mind/body fusion for hyper people that combines Pilates, yoga, dance and strength in a flowing sequence for improved grace and power ...

BBC News
Australian scientist predicts Viagra use to rise at Beijing Olympics
Melbourne Herald Sun, Australia - Jul 24, 2008
But the erectile dysfunction drug isn't the only legal medicine that can boost an athlete's performance. Drugs used for psychological purposes can help ...
Beijing ? the Viagra Games? Saudi Gazette
all 82 news articles »
More Performance and cognitive enhancement
Next Big Future, CA - Jul 30, 2008
Modafinil is but one of a dozen or so ?neural enhancers? currently available in pharmacies that scientists say could enhance athletic performance. ...
Source: Google News

[PDF] Recombinant erythropoietin in urine -
F Lasne, J de Ceaurriz - Nature, 2000 - bio.indiana.edu
... 635 Recombinant erythropoietin in urine An artificial hormone taken to boost athletic
performance can now be detected. 5.21 4.42 3.77 a b c d e f g h pH ...
-

Supplements and drugs used to enhance athletic performance -
J Congeni, S Miller - The Pediatric Clinics of North America, 2002 - Elsevier
... a form of unethical cheating at all levels of sports participation. ... The theory behind
their use as performance-enhancing agents is to boost the body's ...

Genes and human elite athletic performance -
DG MacArthur, KN North - Human Genetics, 2005 - Springer
... ulation as they are to the performance of elite ... health; for instance, genetic variants
that boost the re ... benefits of regular exercise in less athletic hu- mans. ...

Super athletes or gene cheats? -
P McCrory - British Journal of Sports Medicine, 2003 - pt.wkhealth.com
... If EPO gene therapy can boost aerobic performance, what about ... To adapt this technology
for athletic tissue engineering will be a relatively simple ...

Cardiovascular toxicities of performance-enhancing substances in sports -
R Dhar, CW Stout, MS Link, MK Homoud, J Weinstock, … - Mayo Clin Proc, 2005 - mayoclinicproceedings.com
... E sinica, Popotillo, Diet Boost. E trifurca, Sea grape, Diet Fuel. ... However, studies
of the effect of creatine on athletic performance are equivocal. ...
-

[BOOK] Exercise Physiology: Energy, Nutrition, and Human Performance -
WD McArdle, FI Katch, VL Katch - 2006 - books.google.com
... DASH diet ?Leveraging nutrition to prevent chronic athletic fatigue ?Predicting ... boost
energy, control body weight, and enhance exercise performance. ...

Search for the Competitive Edge: A History of Dietary Fads and Supplements -
EA Applegate, LE Grivetti - Journal of Nutrition, 1997 - Am Soc Nutrition
... Sports Sci. Exchange 1988; 1:1-4; Applegate L. Booster Club. ... 1995; 5:94-101[Medline];
Mayer J., Bullen B. Nutrition and athletic performance. Physiol. Rev. ...

Self-Efficacy: The Exercise of Control
A Bandura, WH Freeman, R Lightsey - Journal of Cognitive Psychotherapy, 1999 - ingentaconnect.com
... or collectivistic orientation), interventions to boost SE may be ... to greatly enhance
organiza- tional performance and productivity, athletic team performance ...
-

[BOOK] … the Natural Trigger That Maximizes Creativity, Athletic Performance, Productivity, and Personal … -
H Benson, W Proctor - 2004 - books.google.com
... athletic performance, productivity, and personal well-being ... Principle That Maximizes
Creativity, Athletic Performance, Productivity, and Personal Well-Being ...

The drug of champions -
E Marshall - Science, 1988 - sciencemag.org
... Soviet weight lifters began using them as a power booster in Olympic compe ... ten states
are moving to outlaw the use of steroids to enhance athletic performance. ...

Source: Google Scholar

Glutamine unlikely to boost athletic performance

Last Updated: 2007-08-02 12:15:40 -0400 (Reuters Health)

NEW YORK (Reuters Health) - There is little evidence that supplements containing the amino acid glutamine can enhance athletes' performance, according to a research review.

Glutamine is a non-essential amino acid, which means that the body synthesizes its own supply. However, glutamine is also found in a range of foods -- from meat and cheese to yogurt and spinach -- and in dietary supplements marketed as performance enhancers, according to Dr. George C. Phillips of the University of Iowa Children's Hospital in Iowa City.

Amino acids are the building blocks for proteins in the body, and one of the functions of glutamine is to help produce energy. Research shows that a person's blood levels of glutamine decline after exercise, but that long-term training boosts athletes' resting glutamine levels.

Glutamine aids in the synthesis of white blood cells of the immune system, which theoretically could counter the drain on the immune system that can occur with intense training.

All of this suggests that increasing glutamine levels with supplements could enhance athletic performance, Phillips notes. However, studies have not borne this out, he writes in the journal Current Sports Medicine Reports.

Phillips looked at a number of studies that tested whether glutamine supplements can increase muscle strength, speed up post-workout recovery or prevent colds by boosting immune function in hard-training athletes.

There was no consistent evidence of any of these benefits. This, coupled with the fact that glutamine supplements may raise cholesterol, "calls into serious question the appropriateness of glutamine as a dietary supplement," he writes.

"Unfortunately," Phillips concludes, "this appears to be another example of commercial marketing trumping scientific evidence that in this case demonstrates how nonessential glutamine supplementation is to athletic performance."

SOURCE: Current Sports Medicine Reports, August 2007.

Copyright © 2007 Reuters Limited. All rights reserved. Republication or redistribution of Reuters content, including by framing or similar means, is expressly prohibited without the prior written consent of Reuters. Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon. Reuters and the Reuters sphere logo are registered trademarks and trademarks of the Reuters group of companies around the world.

 
 
 
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