Average climate in York, Nebraska. Based on data reported by over 4,000 weather stations. Tornado activity: York-area historical tornado activity is slightly above Nebraska state average. It is 123% greater than the overall U.S. average.
Normally a colon cancer can take from 7 to 10 years to develop from a polyp. That is why the recommendation for colonoscopy is every 10 years, unless there is a prior family history. However, with Lynch Syndrome (HNPCC) due to a genetic mutation a colon cancer can develop in as little as 1 to 2 years.
The exact causes are unknown, but colon cancer has several potential risk factors. Polyps. Colon cancer usually derives from precancerous polyps that exist in the large intestine. The most common types of polyps are: Adenomas: These can resemble the normal lining of the colon but look different under a microscope. They can become cancerous.