Obesity may be caused by bacteria in the stomach, according to a new study which claims that germs in the gut may help drive appetite. Read the full story

This week on WLS News, we’ll explain how an occasional sip of vino could help you keep a sleek physique, and why putting a tax on junk food may actually help Americans save money. Plus, find out how too little sleep at night could keep you from shedding pounds, and see what researchers are saying about the effect a specific stomach bacteria has on obesity. Get the details on all of these stories and more in this week’s newscast. Read the full story