This statement is based on supernatural beliefs and superstitions and lacks scientific basis. People who can eat especially have a bigger appetite or a more efficient digestive system, but this does not mean that they are reborn as hungry ghosts. People's food intake and digestive ability are influenced by heredity, living habits, metabolic rate and other factors. The reincarnation of hungry ghosts is a Buddhist belief that people who starve to death will be reincarnated as hungry ghosts. This concept is not supported by scientific evidence.