Keeping your gut healthy is important to maintain general health and well-being. The healthy bacteria and immune cells in the gut helps ward off infectious agents like bacteria, viruses and fungi. Poor diet is a major cause of gut issues. Processed foods, high-fat foods, and foods high in refined sugars can destroy good bacteria and promote growth of damaging bacteria. Therefore, it is extremely important to avoid these foods to maintain a healthy gut. There are a number of foods that can promote the growth of beneficial bacteria, and contribute to your overall health. Studies have shown that eating dairy products can reduce the risk of bowel cancer, which affects the digestive system, specifically the organs such as the large intestine and the rectum. One study published in the journal Gut concluded that eating dairy products can lower the risk of bowel cancer by 13 to 19 per cent. Here are 5 other foods that you should include in your diet to keep your gut healthy and prevent unwanted diseases.