working man touching stomach, suffering painful from stomachache.

abdomen appendicitis background body cancer care cause colon concept diarrhea digestive disease disorders during emergency esophagus gastritis gastrointestinal gut hands health hospital hungry hurt illness infected inflammation insurance intoxication male man medical medicine muscle operation painful parasites patient people poisoning remedy sickness stomach stomachache stress suffer suffering symptoms syndrome system touching treatment ulcers unhealthy unwell virus work working