Most gastrointestinal diseases can be effectively prevented and treated.

Healthy gut foods include yoghurt, almonds, kimchi, sourdough, papaya, chia seeds, beets, green peas, broccoli, chickpeas, lentils, beans, whole grains, bananas and apples.

Common signs of gastrointestinal problems include abdominal pain, discomfort, heartburn, fatigue, loss of appetite and vomiting and nausea.