When people lose weight using medications like Ozempic and Wegovy, they likely lose muscle as well as fat, which may be a concern for older adults. (Shutterstock)On the surface, the formula for weight loss seems simple: eat less and move more. But giving that advice to someone with obesity is like telling someone with depression to cheer up. Weight loss isn’t easy, or we wouldn’t be facing a crisis in overweight and obesity. Our biology drives us to eat more food when it’s available, and our bodies have helped prepare us for times when we can’t find food by storing…