What Researchers Did
Researchers evaluated plasma beta-endorphin, adrenocorticotropin (ACTH), and blood polyamine concentrations in healthy adult male athletes exposed to hyperbaric oxygen for 10 days.
What They Found
In the acute phase of hyperbaric oxygen exposure, ACTH and beta-endorphin levels significantly increased, while polyamine concentrations remained unchanged. Conversely, in the chronic phase, polyamine levels showed a remarkable enhancement, whereas ACTH and beta-endorphin levels were stable. No significant changes were observed during hyperbarism with air.
Canadian Relevance
This study has no direct Canadian connection.
Study Limitations
A limitation of this study is its focus on a specific population of healthy male athletes over a short 10-day period, which may limit generalizability.