[arcticbull]

It absolutely can be. The reason you don’t get colonoscopies until you’re in you’re 40s isn’t because they’re not fun. It’s because the risk of a false positive times the negative consequences thereof outweighs the benefit of you finding something early. People are wierd gooey lumps of random stuff. Scan anyone and you’ll find something out of place. The vast majority is irrelevant until some break even point where it’s not. Hence the recommendations and guidelines.