Why ulcer affect left descending colon?

Ulcers can affect the left descending colon due to a variety of factors, including reduced blood flow, inflammation, or infection in that area. Conditions like ischemic colitis, inflammatory bowel disease (IBD), or diverticulitis can specifically target the left side of the colon, leading to ulcer formation. Additionally, lifestyle factors such as diet and stress may also contribute to ulcer development in this region. Ultimately, the specific cause can vary for each individual, necessitating medical evaluation for accurate diagnosis and treatment.