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As we divers get older, we become more susceptible to DCS. And, if our health declines, not only does it endanger us, but it may also jeopardize those with whom we dive. A diver's endurance and cardiovascular health must be sufficient for stressful dives and emergencies.
A paper published in Undersea & Hyperbaric Medicine asks, "What is the cardiovascular risk above which an asymptomatic diver should be considered unfit to dive? Currently, no formal or recommended upper limit of cardiovascular risk exists above which a diver is considered unfit to dive." The truth is, despite there being millions of recreational divers, there is limited data on diving fatalities and cardiovascular risk....
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