Up to 80 percent of all the antibiotics purchased in the United States go to livestock production, according to federal figures. And the worlds health expert think this is a problem. They note that the overuse of antibiotics in medicine, consumer products and agriculture is creating superbugs that kill 23,000 americans a year. Denmark stopped using antibiotics on healthy animals in the late 90s and many think the US should follow suit. On WBEZ’s Chewing the Fat podcast this week, cohosts Monica Eng and Louisa Chu dig into this subject are they are here to talk about it today. PHOTO: Courtesy of Don O’Brien/Flickr