What are the common signs and symptoms of an underweight corn snake, and how can I help my snake regain a healthy weight?

Common signs of an underweight corn snake include visible ribs, spine, and hip bones, as well as a lack of muscle mass. To help your snake regain a healthy weight, you can increase the frequency of feeding, offer larger prey items, and ensure the enclosure temperature and humidity levels are appropriate for digestion and overall health. Regular monitoring of weight and consulting with a veterinarian are also important steps in the process.