By Staff Writer WATCH RELATED VIDEO Submit Pepsi labels are seen on plastic bottles of the soft drink displayed on a store shelf June 13, 2006 in Des Plaines, Illinois. Doctors at the annual American Medical Association meeting in Chicago this week have called for a 'fat tax' on sugary soft drinks to help fight obesity in the U.S. Advertisement © 2017 HNGN, All rights reserved. Do not reproduce without permission. Advertisement 0 COMMENTS CLOSE COMMENT Get HNGN's Top Stories Newsletter Everyweek You have already subscribed. Thank you.