While a middle-aged person might be happily unaware of bodily processes, the fact remains that various tests, such as the virtual colonoscopy, should be performed in order to maintain optimal health. In order to understand why a virtual colonoscopy might be needed in the first place, it is important to understand the overall function on the colon.

Okay, it might as well be said that most people simply associate the colon with the posterior. Actually, the colon comprises a section of the intestines. A person who eats a lot of fiber has a much better chance to have a healthy colon than a person who eats a lot of starchy and otherwise unhealthy food. These are the people who really should have a virtual colonoscopy done as soon as they can.

The colon is, obviously, the place from which waste is eliminated. A person might be fastidiously clean on the outside, but the food that the person eats can create quite a health problem on the inside. A virtual colonoscopy thus becomes a medical priority, because of all the "wear and tear" on the colon over the years.

You could probably talk to any person about the topic of a colonoscopy, and chances are at least a slight grimace will cross their visage. This procedure has long been associated with the invasiveness of a long probe being placed up the posterior. In fact, it was such an invasively painful procedure for some people that they would avoid having it done.

It is obviously very important to make sure that a patient's health is unaffected by the choice to forgo a medical test that could potentially save their life. Thus, the technological world of medicine, finally devised a way for the colon to be checked without probing.

In this new version of the colonoscopy, the patient will be asked by the doctor to either drink a prescribed drink or take a laxative the night before the procedure to make sure that the colon is completely clean. This way, irregularities such as polyps will be able to be easily found. The person will not be allowed to eat the day of the procedure for obvious reasons.

The scan itself combines regular x-ray technology with computer technology to create a three-dimensional view of the colon. One definite advantage to this new procedure over the original one is that it only takes about 10 minutes to complete.

However, while this newer version is indeed minimally invasive, it is still invasive from the point of view that a small tube has to be inserted in the rectum for the scan to actually work. However, it is not the long tube that was originally used. So, for those who are over fifty, definitely look into having this procedure done.