The Facts:
* Diving-induced negative changes in heart function have been reported recently.
* To assess the potential benefits of oral antioxidants, vitamin C (2g) and vitamin E (400IU) were given to 7 divers before open sea dives to 30m.
* Antioxidants improved a few measures of cardiovascular function but most were unaffected.
Shaun’s comment: There are many physiological changes that occur in the body when a person goes underwater diving. These include adverse effects on the heart, circulation and lining of some blood vessels. As the beneficial effects of antioxidants are well known, the researchers looked at whether vitamins C and E were of benefit. It was a very small study, but beneficial effects were seen in the physiological markers after the vitamins were taken, when compared to the results obtained from the control dive.
Study reference:
http://jp.physoc.org/cgi/content/abstract/578/3/859
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