有無兩個方法避免有colon cancer?(答案要以英文作答)

Prevention----
A balanced diet with plenty of fruits and vegetables, low in red meat, together with regular exercise and maintenance of an ideal body weight will reduce the risk of colorectal cancer.
Seek medical advice early if you develop symptoms of colorectal cancer. The cancer in its early stage has a relatively high cure rate

Risk factors----
Colorectal cancer is associated with a diet habit low in vegetables & fruit, high in fat and meat. Other risk factors include physical inactivity, obesity, Smoking, some chronic intestinal disorders (e.g., ulcerative colitis) and hereditary bowel diseases (e.g., familial adenomatous polyposis).

Regular exercise (please refer to recent HK newspaper,)
Eat less processed food (http://www.ch.com.tw/index.asp?chapter=ACE000004#結腸直腸癌的預防)