Monthly Archives: July 2017

A Conversation About Critical Thinking

Why is Critical Thinking important?

Arguably, we live in a time when it has become increasingly important to carefully parse data, even, as it turns out, in casual conversation and friendly communication. The rampant spread of misinformation in the Age of Social Media is nothing new. Conspiracy Theorists and intentional hoaxsters have been an ever-more-apparent online presence since the rise of newsgroups. Even in those near-forgotten days of Lost History prior to our every moment getting logged for “posterity” in the cloud, we had plenty of access to active (and more easily identifiable) paper sources of deliberate misdirection ranging in credulity from The Weekly World News to The National Inquirer — publications finding a non-ironic insurgency in recent years as their online brethren like NaturalNews, InfoWars, and WorldNewsDaily have added to the fodder for the less-Luddite paranoid contingent.

For the sake of reason, it is essential for all of us to adhere to certain standards of Critical Thinking. Just for purposes of general, civil communication, we should all want a basic, coherent understanding of the facts of our world. Philosophical differences aside, it should be a simple task to understand the foundations of science and recognize pseudo-scientific rhetoric as what it is; it should be easy enough to discount rigorously anti-intellectual arguments and logical fallacies

Lately, I have written a few posts on critical thinking and promised an interview on the topic. Although I recorded this some weeks back, I have finally delivered on the promise to upload it.

Click here to listen to The Deep Breath podcast.

Logical Fallacies, the Enemy of Critical Thought

Following are a few fun pages that list logical fallacies. They present them differently, so it is worth visiting a few of the sites to get a feel for how they lay them out or categorize them, but generally speaking, they cover a lot of the same ground. Enjoy the journey!

Logical Fallacies Handlist

YourLogicalFallacyIs

Common Fallacies in Reasoning

Master List of Logical Fallacies

Drake’s List of the Most Common Logical Fallacies

Wikipedia List of Logical Fallacies

Fallacies: Alphabetical List

Logical Fallacies


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Chemo and I Had a Pretty Good Run

My recent post on dealing with change and adversity was inspired in no small part by a change I am facing in my own life, one rife with uncertainty and heavy with anticipation. The last CT scan I had showed that my primary tumor, the one by which we gauge progression or lack thereof, was still within the technical boundaries of business as usual. That is to say, its lateral dimensions had not changed significantly since the previous scan, and overall had not grown enough over the similar measurements from a year or two years ago to precipitate anxiety. But CT scans are, for lack of a better term, a bit fuzzy. The images are fairly clear, but the data is difficult to measure with absolute precision.

My first CT scan machine from October 12, 2014, and still one of the more peaceful places I know. I have taken about a dozen rides through that hole by now.

Because CT scans are essentially three-dimensional, but are viewed on two-dimensional screens, comparisons between scans are inherently imprecise. The angle of a subject’s body, how inflated the lungs were, the position of the subject within the imagining chamber, all figure into subtle differences between the final scans. On top of that, because the images are basically multitudes of cross-sectional snapshots, a comparison must be made by selecting the closest approximation to the “same” image between scans from different times. I’ve looked at lots of these — in fact, I keep digital copies of all my scans for reference or posterity — and I’ve used the tools to line up and measure my tumor as best I can.

And in two dimensions, at the standard viewing cross-sectional approximation, my mass looks very similar from scan to scan, every three or so months since this process began. My chemotherapy was clearly doing what it was intended to do, which was to prevent progression of the disease. Progression is generally defined in terms of the length of the tumor, but we all know that tumors are bundles of cells that grow and change along more than just one axis.

I was never under any illusion that the chemo would cure me — there is no official cure for Stage 4 Lung Cancer. Any time that the chemotherapy could afford me by maintaining stasis has been considered a luxury and at over two and a half years on this particular regimen, I have been the longest continuous success case that many on my medical team have known. So the next time I see most of them will be a special, bitter-sweet occasion.

Because the time for change has come. Continue reading Chemo and I Had a Pretty Good Run

Beyond the Shame of Change, Adversity, and Grief

Nothing is forever, as the saying goes. And it seems true in terms of human experience. Change is inevitable. You can’t please all the people all the time. Time will tell. What doesn’t kill you makes you stronger. But, of course, you can’t judge a book by its cover because the grass is always greener on the other side. Also, that thing about picking your friend’s nose.

I am clearly not above the occasional inspirational bracelet.

Just not that one about everything happening for a reason. I’ll concede that there are certainly arguments for cause and effect — in fact, very much so, which is essential understanding when it comes to actually dealing with the issues that are thrust upon us in spite of our best efforts and desires. To suggest that everything happens for a reason is immensely wrongheaded and, even with the best of intentions, is ultimately unhelpful.

This does raise the issue — when suffering or change of any sort occurs — of how one is to cope if there is no purpose behind the suffering or change. Continue reading Beyond the Shame of Change, Adversity, and Grief

Flying on Chemo — Latest Post for LungCancer.net

July is devoted to issues surrounding travel over at LungCancer.net, and I’ve added this small contribution to the discussion. The story centers around the one-year anniversary of my diagnosis — and a good reason to get on a plane.

 

Flying On Chemo and Other Fun Ideas - LungCancer.net

Jeffrey Poehlmann- My wife, who cares about me deeply, is inclined to encourage me to rest. This is especially true for the week following my chemo infusion, though any time she sees me on my feet for an extended period, carrying “too much” around or otherwise pushing my body forward with some task, I’m likely to get the suggestion to “take it easy” or, more bluntly, “go lie down.” It isn’t that I don’t understand why — especially if I’m wearing shorts. My legs have taken to swelling up like I have elephantiasis some days, though thankfully it is just water retention… READ MORE

©2010-17 Health Union


If this post resonates with you, please consider supporting my work through a monthly subscription to my feed on Patreon, or a one-time donation through PayPal. Follow me on TwitterFacebookTumbler and many other fancy social sites or apps. Please share my posts to groups you are involved with on Reddit or Google+ or anywhere else that you feel it will help or enlighten or inspire another reader. (Sharing buttons are below the post!)

Thank you!