Bollywood actor Irrfan Khan left the world due to prolonged illness. Irfan had a colon infection including a disease called neuro-endocrine tumor, due to which he had been ill for a long time. Every year thousands of lives are lost due to colon infection. In the beginning, the symptoms of this disease are very common, which take a very severe form with the passage of time. In such a situation, to avoid this colon infection, you must include some foods in your diet, let's know which are those healthy foods.