CNN  —  Savannah Mendoza used to spend most of her paychecks on food delivery apps and at fast food drive-thrus, trying to satisfy a compulsive craving. After she started taking a popular medication used for weight loss and diabetes, she saw it as something else: food noise. “It’s so obsessive, and it’s not a good feeling. It’s a very ugly feeling, because you’re just locked down on that singular thought of you wanting to eat,” she said. “Maybe it’s not just personal responsibility, but in fact,