Effects of diving experience on submersion-induced increases in plasma levels of β-endorphin in scuba divers
Neuropeptides(1991)
Abstract
The submersion of eight male scuba divers in a state of neutral buoyancy for 20 min resulted in a significant increase (mean, 20%) in plasma β-endorphin immunoreactivity (β-EIR), and all subjects reported post-submersion feelings of well-being, relaxation or euphoria. The increase in β-EIR was negatively correlated with age (r = −0.727) and diving experience (r = −0.860), and positively correlated with the amount of air usage during submersion (r = 0.863). Thus, diving experience appears to influence many of the nonsubjective parameters measured.
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Key words
scuba divers,diving experience,plasma levels,submersion-induced
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