Lung cancer is a deadly disease in which the lung cells grow in an abnormal way in an uncontrolled manner. The cancer can spread to other body parts. The main symptoms of this cancer are coughing, wheezing chest pain and weight loss. Diet plays a very important role in preventing cancer. Some foods contain nutrients that can prevent cancer. You should take a healthy and nutritious diet that includes fruits and vegetables. Include green leafy vegetables and whole grains in the diet. We will discuss about some foods that can help in preventing lung cancer. The top 5 foods to reduce the risk of lung cancer are as follows.