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I have been reading Mark’s Daily Apple on and off for a few months and finally I signed up for the email news. Today’s email article was especially timely, as my dog is fasting today, but I still am not. It is just one of those things I have been dragging my feet on. Today’s article, though, has me convinced to take the leap and fast this coming weekend. We will see if Ryan joins me.
Here is the article:
Drop that fork (or pair of chopsticks, or piece of meat, or handful of nuts) and pay attention. Today, you're going to skip your next meal. Skip your next two, if you want, but make sure you at least miss the next meal. Consider this a Primal Directive, the nudge in the right direction toward Intermittent Fasting that you've probably been mulling over but have yet to fully embrace. I talk about it enough in the blog, but actually fasting can be a difficult thing to try. For one, food is awesome. Food tastes good, especially good Primal food. It's natural to want to eat it, but it's also natural to avoid it for relatively long stretches of time in order to capitalize on the metabolic benefits.
In an evolutionary context, the idea that there are benefits to fasting makes perfect sense. Grok experienced times of plenty and times of scarcity. Sometimes the hunt didn't go well. Sometimes he might only get one big meal in a two-day span of time. Now, conventional nutrition "experts" would suggest that a fasting Grok would experience a slowed metabolism, cannibalized lean body mass, and increased body fat. But would that make evolutionary sense? Why would our bodies develop a response to scarcity that promoted physical infirmity, weakness, and decreased mobility? If we were without food, wouldn't it make sense for our bodies to conserve strength and burn fat for energy, rather than reduce it and burn muscle? In a tight spot like possible starvation, we needed that strength more than ever. And so, on a purely theoretical, logical level, the Conventional Dietary Wisdom regarding skipping meals doesn't add up.
The actual research tells a different story, too. In past MDA posts like this one, this one, and this one, I touched on some of the science behind Intermittent Fasting. There have been some pretty comprehensive reports on fasting, including this one which looked at a variety of animal and human studies and found it improved insulin sensitivity and glucose uptake (important for fat loss), increased resistance to lipid oxidation damage, and it increased fat loss, while providing protection for certain diseases. Another study noticed that fasting significantly increased longevity in rats. We aren't rats, but we are mammals, and several other studies suggest similar benefits in fasting mammals, including this one that looked at the effects of Intermittent Fasting on elderly, otherwise healthy hominids; Dr. Eades discussed the same study some time ago, noting that the fasting scientists experienced "health benefits... in insulin resistance, asthma, seasonal allergies, infectious diseases of viral, bacterial and fungal origin (viral URI, recurrent bacterial tonsillitis, chronic sinusitis, periodontal disease), autoimmune disorder (rheumatoid arthritis), osteoarthritis, symptoms due to CNS inflammatory lesions (Tourette's, Meniere's) cardiac arrhythmias (PVCs, atrial fibrillation), menopause related hot flashes." Quite a laundry list, and it's largely anecdotal, but interesting nonetheless.
Of course, just skipping a single meal won't result in all the benefits of fasting, but it will get you on the right track. Consider this an order, rather than a tip. Skip your next meal, no questions asked. If you feel okay, skip two. Hopefully, you can use this as motivation to more fully explore the world of IF. Once you're on board, I'd check out LifeSpotlight for a fantastic primer on fasting, or you could browse my "How-To IF" post. Both will help you integrate fasting into your lifestyle.
To sum up, if you're interested in the following...
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Mobilization of adipose tissue for energy (burning body fat as fuel)
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Improved insulin sensitivity and glucose uptake (again, good for burning body fat)
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Increased resistance to oxidation damage to lipids
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(utilizes body fat for energy while preventing protein/muscle catabolism)
...skip that next meal.
The comments to this entry are closed.
I would also recommend a look at Brad Pilon's work Eat Stop Eat.....I have been IFing for 10 years and think his program and explanation of the basic science is one of the best out there.
Posted by: paleoMD | June 20, 2011 at 02:16 PM
good timing on this blog because ramadan is coming soon and i'll be fasting every day....morning till night. it's good.
Posted by: rachel | June 21, 2011 at 08:29 AM
You are gonna need to constantly drink water throughout the
day. Take a bottle to bed with you at night.. . I am
hoping that there is no alcohol involved correct?
. . Drinking plus all that crap = a very bad idea.
Posted by: http://www.sytropinreview.org/ | May 03, 2012 at 10:13 PM
I'm actually currently on this diet and have to say that I've never had success anywhere else. I've lost 7lb in the last 11 days and to be fair, I feel so much better.. . Even though the website might make it feel that it's just another diet that won't work, I do suggest you give it a try. Even though, I did buy the diet generator and handbook when it was a lot cheaper, it's worth the investment.. . Plus, the food you eat isn't exactly terrible, you get to eat the foods YOU like. Which is fantastic and exercise is pretty much optional. The main thing is that you eat 4 meals a day, and that's not too hard. After that, you get 3 days of eating whatever you want... which is bliss. So, I'm going to keep on with this diet regime.. . Anyway, it's really up to you, I found with the large amount I have to lose that the diet is doing wonders:)
Posted by: fatloss4idiots | May 05, 2012 at 07:11 AM
Hi, I am taking L-Arginine and L-Ornithine dietary supplement to increase my human growth hormone level and hope to
grow taller. Would this speed up my bone fusion?.
Posted by: http://www.buyhgh.me/ | July 03, 2012 at 11:10 AM