It has been estimated that the risk of cancer is about 11% lower in people who eat mostly foods of plant origin (vegetables, pulses, unprocessed cereals and grains) compared with people with a low intake of plant foods. Lifestyle factors, such as a healthy diet, normal body weight, and physical activity, tend to be present together in the same people, and it is difficult to separate their independent effects. The greatest health benefit is achieved by having a healthy lifestyle. (More information on Healthy Body Weight, Physical activity and Alcohol).