Generally Speaking

Intermittent Fasting – DIY gastric banding?

An article in this week’s New Scientist tells us that the stomachs of competitive eaters become disgustingly distended

“…Somewhere into the seventh [hot] dog, the normal eater reported to Metz that he would be sick if he ate another bite. His stomach, on the fluoroscope, was barely distended beyond its starting size. Eater X, by contrast, effortlessly consumed 36 hotdogs, downing then in pairs. His stomach, on the fluoroscope, became “a massively distended, food-filled sac occupying most of the upper abdomen”. He claimed to feel no pain or nausea. He didn’t even feel full…”
(The body: Can you eat yourself to death? New Scientist, 16 March but behind pay-wall)

So, perhaps, the stomachs of people who fast moderately on one or two days a week become correspondingly smaller.

One of the many attractions of this trending dietary pattern (See BBC News 5 August 2012: The power of intermittent fasting), is that it is completely flexible. Many of the people I know who have adopted it, including myself, fast on a single day in more weeks than they actually fast on the nominal target of two days a week. Certainly, nobody I know adopts the grim-sounding alternate day fasting that the above BBC news item refers to.  Nonetheless, gentle and sustained weight loss seems to be the rule. And although the greatest attraction of all is that you can gorge as much as you like on the non-fasting days, people actually find that they simply don’t want the size of portions that they did in the past.

My expertise in this area extends no further than having been a family doctor, but it seems eminently plausible to me that a stomach which remains more or less empty for 24 hours tends to shrink and stay shrunk, so that it fills up more quickly for some time afterwards. This is the opposite of the way stomachs which are grotesquely stretched, as the New Scientist reports, tend to stay stretched.

It also seems plausible that eating three square meals, regularly, every day of your life, so that your stomach is almost never empty, would have been an exceptionally rare pattern during our evolutionary past.

Surely this should be properly investigated as a vastly simpler alternative to gastric banding. But with nobody standing to gain from the research except you and me it is hard to see it being funded any time soon. Although the necessary research would be relatively simple to do. Until then, the anecdotal evidence is suggestive.

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