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"It happens quickly, silently, and without notice. Once submerged, children become disoriented and oblivious to the change in environment from air to liquid," Torg explained in a Temple news release.
Keep an eye on children at all times, especially in crowded swimming pools.
Children should know how to swim by the time they're 5.
Keep pools secure using gates, fences and/or pool covers.
Non-swimmers should be restricted to wading pools or should wear a Coast Guard-approved personal floatation device (life jacket).