The gallbladder is a three to four inch sac underneath the liver. Gallbladder stores a substance called bile that is secreted by the liver. Bile is used in the absorption of fats. Some people suffer from gallstones that are clumps made mostly of cholesterol.

Spastic colon, now known as irritable bowel syndrome, affects 58 million Americans and represents one of the most common complaints encountered by doctors, according to the Washington University School of Medicine Section of Colon-Rectal Surgery. Pain is considered one of the cardinal symptoms of spastic colon.

When your colon, rectum or anus is injured and needs a rest, your doctor may recommend a colostomy -- a surgical procedure that brings the large intestine to the surface of the abdomen so that waste can be deposited in a bag instead of traveling the rest of the way through the digestive tract.

A sheet of internal muscles called the diaphragm extends along the bottom of the rib cage and separates your chest from your stomach. The diaphragm participates in breathing, of course, but it also helps in the elimination of body waste and helps prevent stomach acid from backing up in your esophagus.

Odynophagia is the medical term for pain, caused by problems in the upper pharynx or esophagus, when swallowing food. This esophageal pain usually occurs when swallowing both liquid and solids, and it can get worse over time.

Cholesterolosis is the accumulation of cholesterol in the cells lining the gallbladder wall, the submucosal macrophages. The condition often occurs seen when the gall bladder from a person suffering from gallstones, or cholelithiasis, is dissected.

The primary nutrient in white bread is starch, with two slices providing more than 20 g of starch, according to the U.S. Department of Agriculture National Nutrient Database. White bread also contains protein and small amounts of fat and other sugars.

Chest pain after eating ice cream is most likely the result of a milk allergy. Chest pain is a common symptom associated with asthma, which is commonly triggered during an allergic reaction. Until you can be seen by your doctor, stop consuming all dairy products.

Peptic ulcers are ulcers that occur in the lining of the stomach or the first part of the small intestine called the duodenum. The foods you eat cannot cause an ulcer, but they can further irritate your ulcer and delay the healing process.

Doctors determine your due date by the first day of your missed menstrual cycle, so, though fertilization — the point at which you're technically pregnant — won't typically occur until two weeks into your cycle, you’re considered two weeks pregnant, for medical purposes, at the time fertilization occurs.

Stomach pain from eating pineapples is most likely related to an allergy. Pineapple is a common food that can cause an allergic reaction, according to the University of Maryland Medical Center. Stomach pain from an allergic reaction typically occurs within the first hour of ingesting the pineapple.

Having a broken bone is a painful injury in and of itself, and a cast may be necessary to heal the bone and keep it immobilized. The cast can cause discomfort while it is on, as well as after it is removed, due to inflammation, and the pain can impede rest and healing.