Fruits and vegetables are known to protect people against lung, oral, esophageal, stomach, and colon cancer. The data that supports this statement has been borne out by a number of studies.

In fact, fruits and vegetables are the best source of vitamins and minerals, including antioxidants. These healthful compounds probably work best in combination. Because we don’t know which of the many compounds in these foods are most helpful, the American Cancer Society advises the public to eat at least five assorted servings of produce per day.

Vitamin Supplements