high-caffeine energy drinks. the sale of popular drinks such as red bull, five-hour energy. it doesn't just apply to minors but everyone if approved. retailers say that could be a fine of up to $500 and cause them to lose their license. >> there was another chair that proposed that minors under the age of 21 be prohibited. he said he never planned on enforcing that, he just did it to raise awareness of the side effects to these energy drinks. but this alderman, alderman burke, couldn't be reached for comment. according to them, they're classifying an energy drink that contains caffeine exceeding 180 milligrams. >> still, can't we make up our own mind about caffeine drinks? >> chicago is trying to do the same thing with foie gras and repealed that, as well. >> chicago expert, our paula faris. >> yes. i love sweet home, chicago.