cold water

“Cold-water corals grow very slowly, like a few millimeters a year over hundreds of years,” she says.

“Cold-water immersion is the most effective way of lowering your core body temperature,” Levy says.

Cold-water shock causes the blood vessels in the skin to close, which increases the resistance of blood flow.

Cold-water swimmers say they experience fewer infections, the easing of sore muscles and arthritic pain; some swimmers suffering from anxiety and depression have reported recovering to the extent that they can stop using medication.

Cold-water immersion, a standard treatment, was not performed, the report said, and it was more than an hour before anyone dialed 911.