Types of illness or diseases that are

associated with your digestive system,

Intestinal problems, such as polyps and cancer, infections, celiac disease, Crohn disease, ulcerative colitis, diverticulitis, malabsorption, short bowel syndrome, and intestinal ischemia. Gastroesophageal reflux disease (GERD), peptic ulcer disease, and hiatal hernia

Answer: Gastroesophegeal reflux disease (GERD), Gastric and Duodenal Ulcer, Constipation

Explanation: GERD is a health condition that involve the constant back flow of food from the stomach or duodenum into the oesophagus, this can causes Esophagitis (inflammation of the Esophagus)

Ulcer is caused when the pH of the stomach is lesser than 4 (i. e when the pH is very acidic). Gastric ulcer is ulcer of the stomach while

Duodenal ulcer is ulcer of the duodenum.

Constipation arises when the enzymes that are meant to digest a food is not secreted by the body.