Sleep is a drug, and most of us need more of it!

Why do we get tired at the end of the day and then spend roughly one-third of each day unconscious? Here are some basics about sleep in general. Also, does lack of sleep cause dementia? What GI problems come from sleep deprivation? What can we do about all of this?

Fermented dairy products may reduce the risk of colon cancer!

Fermented foods are known as an excellent source of probiotics, and may have a variety of health benefits. Hard scientific data on these fermented foods is hard to come by however. Read about a recent study that suggests these foods may reduce the risk of colon cancer!

Junk food and cancer: Is there a link?

How many "foods" do we eat that were shaped by a machine into some pleasing shape and injected with modified fats and preservatives before being deep-fried, flash frozen and shipped out from a factory somewhere? A new study shows us the harm in eating ultra-processed foods.

What does a positive Cologuard test mean?

What is immediately apparent from these numbers is that Cologuard rarely misses cancer. However, if we count polyps as a significant finding, there are plenty of false-positive results (45%) and plenty of false-negatives too (34%). So is Cologuard a good test overall?

Do you need to stop taking aspirin for a colonoscopy?

With all this talk about bleeding, it should come as no surprise that "Should I stop my aspirin?" is one of the more common questions that I get asked by patients who are being seen to arrange screening colonoscopy. Luckily, this question has been answered already by several of the gastroenterology societies. For the average patient on aspirin...

My doctor found a colon polyp. When do I need to repeat a colonoscopy?

If you notice, the basic idea here is pretty simple. According to the guidelines, there are really only a few options for follow-up intervals for colonoscopy: 10 years (negative exam), 5 years (low risk polyps), and 3 years (high risk polyps). Less than 3 years is only recommended in the truly unusual case of a large polyp burden or invasive cancer in a polyp. And that's it.