Colon cancer commonly arises from polyps, enlarging and becoming dysplastic gradually; as this process is rather slow, we can, through different methods, detect pathologies in the colon before it evolves into cancer. One of the most common methods of screening is a faecal occult blood testing.
"It takes a long time to produce a competent person." Education is a long-term project so don't expect your children to change much or make clear progress after only one to two months