Editor’s Note: For 16 years, I've published weekly essays here on Blogspot, which will continue. I’ve now begun publishing my work on a new blogging platform, Substack, and I hope you’ll join me there. Please enter your email address at this link to receive my posts directly to your inbox. My readers know of my trepidation and angst regarding the unstoppable artificial intelligence (AI) tsunami that will disrupt our world. It will make the arrival of the internet seem quaint by comparison. Just as we cannot fully contemplate the potential benefits, we cannot fathom the potential harm and destruction it will wreak. There will AI actions that will cause harm and benefit simultaneously. For instance, once perfected, driverless vehicles will operate more safely than human controlled cars and trucks. Former drivers will now be passengers who are free to engage in professional or leisure activities. However, if you currently earn your living as ...
Cologuard has become a popular colon cancer screening option. Indeed, it has many advantages over the traditional colonoscopy. Refer to the list below. No prep! No prep! No time off of work. No driver needed. No procedural risk. Done at home. No driving or other restrictions afterwards.\ Much less expensive. Did I mention there is no prep:? Wow, Cologuard sounds like it will be hard to beat. Not so fast! Cologuard is a sophisticated stool DNA test that detects altered DNA as well as microscopic blood in the stool. Studies have shown that it detects over 90% of colon cancers. Keep in mind that the overwhelming number of patients undergoing colonoscopy do not have cancer so that this statistic doesn’t apply to them. How does this stool DNA test perform with respect to colon polyps, which are the target lesions during colonoscopy? Cologuard detects only 42% of larger precancerous polyps which seems to me to be rather lackluster performance. ...