So I will post here again an extract from Cancer Battlefield Website.
Cancer is a genetic disease. Generally, this is how most people think. If your dad had it so would you. However, scientific research doesn’t support this way of thinking. Heredity doesn’t necessary give you an ill fated road map to your death bed. Your genes aren’t the most critical factor but rather, what you eat! Your genes would be influenced by what goes through your mouth. However, eating habit are the most important factor.