Spitting out what you eat is generally not a good way to gain weight. However, frequently spitting out what you eat may cause damage to your digestive system, which is not good for your health.
Eat something spit out, in general, will not gain weight. Because for eating in the things, digestion and absorption need a certain time, and eat after spitting out the food has not been digested and absorbed, so will not grow fat.
If you often spit out what you eat, it may cause damage to the stomach and esophagus, thus damaging the digestive system and causing digestive disorders, and may also lead to reflux esophagitis, gastritis and other diseases, heartburn, anorexia, bloating, abdominal pain and other symptoms, which is not conducive to good health.
If the above symptoms occur, it is recommended to go to a regular hospital for early and standardized treatment.