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Beetroot juice could help people live more active lives
Date:12/17/2010

New research into the health benefits of beetroot juice suggests it's not only athletes who can benefit from its performance enhancing properties its physiological effects could help the elderly or people with heart or lung-conditions enjoy more active lives.

Beetroot juice has been one of the biggest stories in sports science over the past year after researchers at the University of Exeter found it enables people to exercise for up to 16% longer. The startling results have led to a host of athletes from Premiership footballers to professional cyclists looking into its potential uses.

A new piece of research by the university in conjunction with the Peninsula College of Medicine and Dentistry has revealed the physiological effects of drinking beetroot juice could help a much wider range of people.

In the latest study, published in the Journal of Applied Physiology, the researchers looked at low intensity exercise and found that test subjects used less oxygen while walking effectively reducing the effort it took to walk by 12%.

Katie Lansley, a PhD student from the university's Sport and Health Sciences department and lead author of the study, said: "As you get older, or if you have conditions which affect your cardiovascular system, the amount of oxygen you can take in to use during exercise drops considerably. This means that, for some people, even simple tasks like walking may not be manageable.

"What we've seen in this study is that beetroot juice can actually reduce the amount of oxygen you need to perform even low-intensity exercise. In principle, this effect could help people do things they wouldn't otherwise be able to do."

When consumed, beetroot juice has two marked physiological effects. Firstly, it widens blood vessels, reducing blood pressure and allowing more blood flow. Secondly, it affects muscle tissue, reducing the amount of oxygen needed by muscles during activity. The combined e
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Contact: Daniel Williams
d.d.williams@exeter.ac.uk
44-013-927-22062
University of Exeter
Source:Eurekalert

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