'Bar Rescue' star Jon Taffer admits weight-loss drug trend is impacting restaurant industry Jon Taffer, host of "Bar Rescue," revealed how the growing GLP-1 trend has impacted small businesses by reducing how much customers are wanting to consume. NEW You can now listen to Fox News articles! Jon Taffer claims a popular weight-loss trend has taken a bite out of the bar and restaurant industry. The "Bar Rescue" host warned restaurants are in worse shape than when he launched the hit TV show 15