The study of stomach and intestinal epidemics that strike the aged
Geronto-gastroentero-epidemiology is a branch of medicine that focuses on the study of gastrointestinal diseases in elderly populations. It looks at the epidemiology, risk factors, and outcomes of gastrointestinal conditions in older adults. This field helps to understand the unique challenges and considerations in managing gastrointestinal issues in the elderly.
That is the study of the spread of intestinal disease among the elderly.