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Archive for the ‘Low carb’ Category

Quote of the day

Robb Wolf weighs in on Low Carb And Paleo (emphasis his):

it is time to face facts. In every damn study it is clear that for fat loss we’d like adequate protein, and a calorie restriction scenario. LC is fantastic for this in that one typically feels satisfied on high protein, moderate fat, loads of veggies. If one is insulin resistant, this approach can be nothing short of miraculous. HOWEVER! If one manages to cram enough cheese, olive oil and grass-fed butter down the pie-hole, this is in fact, a “mass gain” diet.

LC is fantastic for the insulin resistant individual, as it addresses both glycemic load and satiety. But if one manages to bypass normal satiety mechanisms, or if one can find some combinations of highly palatable, but low-carb foods, it’s still a ticket to Fat Camp.

As the carb wars don’t appear to be ending anytime soon, I’m glad to see Regina Wilshire (who I read religiously years ago) is back to blogging over at Weight of the Evidence … she’s a must-read IMO! With her history as a low-carb dieter and a really strong grasp of the science, I think she provides another useful voice to help tease out the hows, whens, and whys of carb restriction. Do check her out!

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Banting on carbs

William Banting, author of Letter on Corpulence, Addressed to the Public in 1863, apparently found he was able to indulge in some carbs during maintenance after low-carb weight loss (p. 35, emphasis his):

I have … frequently indulged my fancy, experimentally, in using milk, sugar, butter, and potatoes—indeed, I may say all the forbidden articles except beer, in moderation, with impunity, but always as an exception, not as a rule. This deviation, however, convinces me that I hold the power of maintaining the happy medium in my own hands.

I found Banting’s comment interesting after reading Sanjeev’s comment at CarbSanity wondering if folks’ “first experience with Atkins worked so well they stay/stayed with it far, far past its ‘best before’ date.”

Many folks seem to do well on a ketogenic LC diet, but if that’s not you, at least you now know that the first famous LC dieter added some carbs back to his diet once he reached his goal weight.

Not only that, but it looks like Banting’s diet also included “safe” starch. From the appendix in the 3rd edition (p 48, emphasis mine):

I can now also state that eggs, if not hard boiled, are unexceptionable, that cheese, if sparingly used, and plain boiled rice seem harmless.

I plan on spending a little bit more time with Letter on Corpulence (thanks to Zoe Harcombe for the pointer). It’s an interesting historical essay and makes clear that obesity, while far more prevalent now, has its roots far before HFCS, seed oils, and the food pyramid.

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Quote of the day

What P2ZR said:

Carbs make you sluggish? Reduce them. LOW carbs make you a miserable nonfunctional wreck? Eat more of them. Acellular/fibrous/FODMAPpy carbs do X/Y/Z to you? Tailor accordingly! And goodness gracious, if LC (or whatever else) prevents you from getting a good night’s sleep–how do you expect your body to move well the next day?!

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I’m happy to see that low-carb blogger Regina Wilshire is back at Weight of the Evidence after a four-year hiatus. What’s really interesting is her new perspective:

For many the focus on carbohydrate distracts from something I believe is more important – nutrient-density. …

You can certainly eat a low-carb diet that is rich with nutrients – I’ve proved that time and again with sample menus. But doing that takes planning, an understanding of what foods have what nutrients, and commitment. Over the years, as my own dietary habits have evolved, I’ve realized that continuous, all the time, strict low-carb isn’t always necessary – quality, on the other hand, is.

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According to Nell Stephenson of Paleoista, It’s So Simple. If You’re Not Moving, You Don’t Need Starch:

Beyond that, from a very simplistic point of view, if you’re not someone who is engaged in long endurance activity, not only do you simply do not need to ‘eat starch with every meal’, you don’t need to eat starch at all. Further, if you’re someone who is not at their ideal, healthy weight, and you are not engaged in long endurance activity, you really don’t need to be eating starch.

Later in the post, she notes that she really means the “starch found in all legumes and beans that many of us grew up thinking were an important part of every meal.”

Well.

What someone “needs” in their diet is not just about the underlying metabolic processes. At the risk of repeating myself (or of repeating Dr. Yoni Freedhoff), I think Yoni is spot on:

It’s about living the healthiest life that you can enjoy, not the healthiest life that you can tolerate, because if your life is simply tolerable, you’re not likely to keep living that way. To take an extreme example, while becoming a teetotaling, vegan, shut-in, marathon runner might well help you to manage your weight, is that a life you’d be willing, or even able, to live with forever?

This is why despite still needing to lose weight (and hardly being an endurance athlete), I eat what I call moderate carb and include starch at both lunch and dinner.

And before you can say, “well Beth, you’re lucky, you’re clearly not metabolically deranged,” let me say I am (or at least was) the poster child for met syn … which included high blood pressure, very high BMI, and a starting high fasting insulin of 24. For me, avoiding starch is treating the symptom, not the problem.

So if going low-carb works for you, by all means keep doing it! But if you’re like me, if the thought of not having starch during your weight loss efforts is going to cause more problems wrt consistency (thanks again Yoni!) than it solves, then relax and include starch. You can absolutely lose weight with starch in your diet … I have!

But be honest, if adding starch causes problems (e.g., portions start creeping up or kicks in the WTF effect), then you’ll want to adjust.

Note: As someone following an ancestral approach, I generally get my starch from veggies, fruits, and white rice (see PHD).

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Quote of the day

JeezLouise shares her to carb or not to carb analysis paralysis:

This whole controversy over whether low-carb is good or bad for weight loss is taking a toll, because I’m having a hard time sticking with any sort of protocol. … I know I can lose weight with very restrictive low-carb, but I don’t want to set myself up for failure in the future if low-carb is going to make my body think it’s starving. At the same time, I’ve heard eliminating carbohydrate can help heal the metabolism and insulin/leptin resistance issues. I just don’t know what to do, and I’m finding it paralyzing.

My suggestion is to split the difference and eat moderate carbs.

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Colorful Heirloom PotatoesA month ago I wrote a post about why I eat moderate carb. This installment, why I don’t eat low-carb, has been inspired by Jimmy Moore’s Is There Any Such Thing As ‘Safe Starches’ On A Low-Carb Diet?

As the discussion on PaleoHacks indicates, there were some plusses and minuses about Jimmy’s blog post. On the plus side, there were many thoughtful responses from a number of folks; on the minus, there were many knee-jerk unhelpful responses from some surprising folks (hello, Dr. Bernstein!).

[As an aside, there seemed to be confusion about what constitutes a "safe" starch. For Paul's PHD, it's basically non-grain starches and white rice. See the argument against cereal grains (part 1 and part 2) from Kurt Harris for the rationale of calling non-grain starches "safe."]

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Ketosis, hormesis, and bisexuality

Whoa, did I have an a ha moment today!

Remember, just last week I’d explained why I eat moderate carb. I’ve been on ketogenic diets (i.e., in ketosis) in the past, but have struggled to stay on them for more than a few months at a time.

So when Kurt Harris talked about ketosis and hormesis on Robb Wolf’s Paleo Solution podcast today, I was just gobsmacked. Talk about your critical puzzle piece!

[Tip: if you're not familiar with hormesis, check out this page from Todd Becker to get a quick intro. Basically, the idea is that exposure to a little of something causes our body to respond in a way that can be healthful for us (e.g., vaccinations), while a lot of exposure can be harmful.]

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Chicken Basil Fried Rice - tall - Chilli Cafe AUD9.90

My, my, my! Leave it to Stephan Guyenet and Gary Taubes to keep things interesting since their spat at the Ancestral Health symposium last month. Stephan had responded to Taubes’ latest, but curiously has taken down his post which, IMNSHO, was unfairly criticized by Taubes’ devotees (bummer, too, it was driving a lot of traffic to my blog for this 1796 recipe for ‘diet bread‘ ;).

Better late than never, this has prompted me to go on the record about where I am with carbs. In a word, I’m agnostic. Or perhaps the more apt religious metaphor is that I prefer to follow the middle way.

Simply stated: I don’t demonize carbs, but I think our Western diet full of refined carbs is not healthy.

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Annoyed woman So I just saw a blurb about this study from this month’s American Journal of Clinical Nutrition:

Design: Men (n = 16) aged 22 ± 1 y (mean ± SE) were randomly assigned to 5 d of a high-fat, low-carbohydrate diet containing 75 ± 1% of calorie intake through fat consumption or to an isocaloric standard diet providing 23 ± 1% of calorie intake as fat. In a crossover design, subjects undertook the alternate diet after a 2-wk washout period, with results compared after the diet periods. …

Results: Compared with the standard diet, subjects who consumed the high-fat, low-carbohydrate diet had 44% higher plasma free fatty acids (P < 0.05), 9% lower cardiac PCr/ATP (P < 0.01), and no change in cardiac function. Cognitive tests showed impaired attention (P < 0.01), speed (P < 0.001), and mood (P < 0.01) after the high-fat, low-carbohydrate diet.

Conclusion: Raising plasma free fatty acids decreased myocardial PCr/ATP and reduced cognition, which suggests that a high-fat diet is detrimental to heart and brain in healthy subjects.

Really Oxford researchers? I guess they’ve never heard of induction flu, the temporary “mental fuzziness, fog and fatigue” many folks experience when initially going low-carb.

Here’s my lay take: if you want to test the response to a high fat diet, let the subjects acclimate to it first!

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