Detailed text transcripts for TV channel - CNN - 20100801:11:39:00
>> reporter: what you're describing could save lives. the cpr studies do agree, the reason a person's bloodstream contains enough oxygen to live for several minutes. but the oxygen can't nourish brain cells unless it is circulated by chest compressions. if you want to see more on this logon to cnnhealth.com. let's shift topics now. it's been almost two weeks since i competed in the nautica and new york city triathlon, alongside six of our cnn viewers. it was the first triathlon for all of us but i don't think it's going to be the last one for any of us. let's check in with a few of the six p...