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Scuba Diving: How long can one stay at 50 feet without having to undergo decompression?
How dangerous can it be if a diver ignores the need for decompression stops after diving for too long?
Failure to undergo decompression stops can result in decompression sickness or "the bends", which is a painful, and potentially fatal condition that occurs when nitrogen gas bubbles form in the bloodstream, joints, or tissues.