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Friday, 15 February 2013 09:55

Drinking orange juice won't reduce the risk of a cold - unless you exercise

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Taking vitamin C does reduce the risk of a cold - but only if you exercise- study

orangeTaking supplements of vitamin C helps only to those who work out; even it can halve the risk of catching cold and recovering quickly-Finnish experts- reports Daily mail.
Vitamin C largely found in oranges, strawberries etc is known to control cold. However, the effectiveness of vitamin C in controlling common cold is linked to exercise.

Researchers of the University of Helsinki  conducted series of studies which involve more than 11,000 people to know the beneficial effects of vitamin C .

As a part of study, volunteers including Swiss school children, marathon runners, teenage competitive swimmers and Canadian soldiers receive a dose of Vitamin C. They were assessed to know the impact on their health.

On assessment researchers noted that vitamin C reduced  the risk of catching cold by half in people who were doing exercise- short term physical stress. They also observed that male teenage swimmers who caught cold and were treated with the supplement, recovered quickly in compare to  boys who didn't take the vitamin.

The researchers also found that children also appear to be more responsive to the vitamin than adults

The study's authors, Harri Hemild and Elizabeth Chalker, concluded: 'The failure of vitamin C supplementation to reduce the incidence of colds in the general population indicates that routine vitamin C supplementation is not justified, yet vitamin C may be useful for people exposed to brief periods of severe physical exercise. 

'Regular supplementation trials have shown that vitamin C reduces the duration of colds, but this was not replicated in the few therapeutic trials that have been carried out.'

It is also needed to know that recent published  research suggest that  taking vitamin C supplements daily  may increase risk of kidney stones, which could be due to bi- product of the vitamin says Swedish researchers.

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Read 1488 times Last modified on Friday, 15 February 2013 10:25

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