Detailed text transcripts for TV channel - CNN - 20170527:18:51:00
>> the water is very choppy and i just assure myself that i can finish. >> doctors making sure that competitors under go rigorous checks. >> this is something that you train for and you get your body used to getting in the cold water and being able to get over that cold shock and we train your muscles adapt to working with a low of blood supply. >> early study suggests cold water swimming is potential treatment of depression by activating the nerve system. >> if i think back to the last century, people were exploring and trying to push the bounda boundaries, we can go to the moon and do other ...