After reviewing many studies published in many international medical journals, a group of American researchers in Houston reached a set of results that were published in one of the distinguished medical journals (Ann Intern Med, stating that obesity may be a cause of an increase in the incidence of gastroesophageal reflux disease and that a person The obese person is susceptible to all the associated complications of esophageal infections and changes in the lining of the esophagus, which increases the risk of developing esophageal tumors.