The digestive system is responsible for breaking down food into smaller molecules that can be absorbed by the body. This process begins in the mouth, where saliva breaks down carbohydrates, and continues in the stomach and intestines, where other enzymes and acids further break down food.

The liver produces bile, which is stored in the gallbladder and released into the small intestine when needed to help digest fats.

The pancreas produces enzymes such as amylase, lipase, and protease, which help break down carbohydrates, fats, and proteins, respectively.

Diarrhea is not typically a symptom of indigestion, which is characterized by discomfort or pain in the upper abdomen, heartburn, nausea, and vomiting.

To prevent constipation, it is important to drink plenty of fluids, eat a diet high in fiber, and get regular exercise.

Oats, apples, and beans are all good sources of soluble fiber, which can help lower cholesterol and blood sugar levels, and promote digestive health.

The recommended daily intake of fiber for adults is 25-30 grams.

Vitamin D is essential for the absorption of calcium. It helps the body absorb calcium from food and promotes bone health.

To prevent iron deficiency, it is important to eat a diet rich in iron-rich foods, take iron supplements if necessary, and get regular blood tests to monitor iron levels.

Yogurt, kefir, and kombucha are all good sources of probiotics, which are beneficial bacteria that can help improve digestive health.

To prevent food poisoning, it is important to wash hands thoroughly before handling food, cook food to the proper temperature, and store food properly.

Constipation is not a symptom of lactose intolerance. Common symptoms include gas, bloating, and diarrhea.

The best way to manage celiac disease is to avoid gluten-containing foods. This means avoiding foods made with wheat, barley, and rye.

Weight loss is not a symptom of irritable bowel syndrome (IBS). Common symptoms include abdominal pain, diarrhea, and constipation.

To prevent diverticular disease, it is important to eat a diet high in fiber, drink plenty of fluids, and get regular exercise.