. >> marvin santiago needs to keep his energy level going up alert, he says he won't down a monster energy drink, no matter how tired he gets. >> it's not an option for me. >> attorneys with morgan and morgan claim monster energy drinks and many other energy drinks can actually be life- threatening. >> heart attacks, strokes. >> . >> the law firm has filed five cases in florida already and are investigating a least 100 more across the country. alleging the ingredients have not been tested and there are no warning labels. one of the cases involves a 14 -year-old who suffered a stroke. >> we have had a lot of children admitted to the er and hospital because of energy drinks. >> lori wright is an energy dietitian and says the drinks can be dangerous. >> it is really a deadly combination of caffeine and sugar. >> especially for young minds she pours of the actual amount of sugar in just one can. >> caffeine by itself can make you feel shaky, your heart races, you may feel short of breath. >> while the medical and legal debate bubbles over, marvin sandiego says he will stick to differ drinks fo