CNN The Lead With Jake Tapper July 31, 2013 20:17:00
Thirsty when they take one of these beverages, they're actually dehydrating themselves further a spokesman says there's been no evident ties these drinks to adverse health effects, do you disagree? >> strongly. we've seen over the past five years nationally a tenfold increase in the amount of emergency room visits directly related to caffeine and 78 times these drinks. >> sometimes are these kings drinking coffee? are they more dangerous than coffee? >> they are, because these drinks they keep -- they also have other additives. so the concern is with coffee. it's hod and you have to invest