Because one of its role in body fat storage, insulin often gets a bad rap in the ancestral health community.
Managing insulin secretion through diet is a good strategy for losing weight, but it is also important to understand that insulin performs vital functions in your body and is essential for your body to survive at all.
This short video from Kahn’s Academy is a good beginner’s guide to the function of insulin in fuelling your cells with glucose.
For an explanation of what happens to the glucose after it has entered your cells, see this video lecture by Doug McGuff, M.D.
Those of you who follow my blog regularly will recall I interviewed Phil back in November.
Phil switched to a low-carb life-style September last year in an effort to manage his diabetes. His early results were spectacular. He lost 14 lbs / 7kg in 3 weeks, and he cut his use of insulin to a third of what it was previously.
Phil has agreed to update us on his progress periodically. Here is the latest instalment.
What has happened since we last spoke in November?
My weight has stabilised at 85Kg. I probably could lose a few more Kg, but everyone I meet notices the loss of weight.
My ill fitting clothes were getting embarrassing, so I have had to buy a new suit, and lots of new clothes.
And I feel fantastic. None of the drowsiness that I used to have almost every day. Generally I am full of energy.
What challenges have you come up against in maintaining your new life-style?
Every time I find myself in a different place or situation, finding something suitable to eat can be a challenge. I used to be very flexible and would eat whatever was available. But now it is the opposite. But then, when I do find something, I almost always feel really happy with what I have eaten and rarely regret not having what I would have eaten. If that makes sense.
How do people react to the changes you have made?
Everyone seems to be very respectful of it. Last week we went to dinner with friends and they went to so much effort to make the meal suitable for me. I was moved that people react so well.
What have you learned over the past two months that have caused you to make further changes to your life-style?
I have learnt that this way of eating can be really enjoyable. And the benefits are clear. I have done lots of reading, which led me to stop taking the Statins that my doctor had recommended.
What are the health questions that pre-occupy you at the moment?
The main thing that I haven’t sorted out yet is my exercise. I love doing exercise, in particular running and playing football. But I was finding it hard to manage the sugar levels. Then I got an Achilles problem that was not going away. I am seeing a specialist about it and he recommended a change in exercise routine.
What changes to your health do you hope to see in the coming months?
Once my Achilles is sorted I am looking forward to starting a new regime of exercise. I hope to get back to my old fitness levels and lose a few more Kg.
One of the things my blog has been missing, is a dissertation of how the Paleo/Primal diet actually works. I have been wanting to post an article on this, because understanding the science made a big difference to me. I would like to think it could also make a difference to others.
The problem is the science is not easy to explain. To be honest I have been putting off writing an article about it because I knew it would be time consuming and challenging.
So, I was very pleased to find this video with Dr. Doug McGuff where he goes through the biochemistry of human metabolism to explains obesity, diabetics and why eating Paleo/Primal works for optimal health.
I have read a lot of material on how Paleo nutrition works, but this is by far the clearest explanation I have come across.
The whole video is 1 hour and 38 minutes long, but I have embedded it so it only plays the part where Dr. McGuff explains current understanding of metabolism. If you want to understand the science of Primal eating, these 36 minute are going to be worth your while.
Richard is a friend and colleague of mine who switched to the Primal life-style a couple of months ago. The difference this has made to his life has made him almost as obsessed with nutrition and health as I am!
What was your health situation before you decided to change your diet and life-style?
Not too bad, other than an operation in December to remove a benign tumour. I am an active sportsman (cricket, football, squash), and regularly cycled, ran and swam to keep up my level of aerobic fitness for my triathlon hobby. I wasn’t too happy with my diet, and indeed, other aspects of my life in terms of energy levels and weight. I felt that if I didn’t do the exercise I was doing, I would suffer even further from a predilection to put on weight.
What caused you to suddenly make changes in your life?
I think that the seed of change was blowing around my person for a while given the above answer, waiting for a way in. I didn’t know what that change would be, but I knew I had an opening to investigate and explore a change. I guess, ultimately, that age and weight were key factors and feeling that both were catching up with me. It was dawning on me that I needed to do something if I was to continue with the active sports that I am involved in – but the catalyst for change was without doubt the initial discussion I had with you, Peter, and hearing how you had made these changes and how you had made them.
What changes did you make in your life and what pace and order did you make them in?
Well, due to my personality, which is somewhat addictive, I listened and chatted more to you, did an evening’s worth of scouring the net, explained and shared what I could with my wife. I asked if she would be comfortable with such a sudden change and helping me cater for it (which I think is a very important factor if you are married and/or with children). So with that, some initial (and probably clumsy) planning around meals and what I should and shouldn’t be eating, I pretty much jumped straight in. I think that the first change was ruling out all cereals/grains/pastas/milk immediately and vastly reducing my sugar intake, which did lead to me thinking “OK, it’s dead easy knowing what not to eat…..but what does that mean in terms of meal planning?”. So, the second change was around starting to plan better, which was helped as I began to understand more about my body and the dramatic change that I was putting it through. I’m into my third month now, and now the primal lifestyle basics are things that are normal part of my everyday life, so I’m starting to plan my next steps, which will include an alteration to my exercise regime mainly, but also gaining more specific knowledge in terms of what I’m eating and what it’s doing in more depth.
What changes have you seen to your quality of life so far and what difference has it made to you?
Lots!! The most noticeable change has been to my weight. When I started living this way 10 weeks ago, I weighed 101.5KG, as I type this, I’m now 91.5KG – and I’ve not starved myself (far from it), I haven’t counted a single calorie, I haven’t sweated buckets in a gym or endured 3 hour runs, in fact, all I’ve done is made the changes I mention above. The difference this has made (apart from being delighted to find those clothes fitting that I kept in the slim hope I’d be able to wear them again) is that being lighter has increased my self-esteem and improved my own body image, which I think are not to be underestimated psychologically. This is to add to the obvious physical benefits that being thinner makes to you. Another change has been a real improvement in my sleep routine. For years I struggled to get to sleep at night, often lying awake for ages fighting a losing battle. Now, however, my average sleep duration has increased to what for me is an amazing 7.25hrs, and the quality of my sleep seems to have improved as well. I think that other changes are knock-on effects from a severe reduction in my nocturnal restlessness as well as benefits from how I’m now treating my body, such as having more energy, less of a tendency to be so stressed (this hasn’t gone completely, although I’m hopeful that it will continue to improve), and generally being a happier and more content person.
What have you learned about diet and health you did not know before?
More than I can reasonably write here I think! Given that I was starting with my bar pretty low in this area, I could argue that every piece of information in this area counted as something I’d learned. If I can distil this into a more succinct answer, I will. Learning that it’s all about controlling insulin secretion at its heart was eye-opening, as well as understanding how the ‘staple’ foods that I’d been relying on all my life do, in fact, encourage the secretion of insulin and how we should rely on the reserves that our bodies will build up naturally to do the buying and selling in our bodies if we follow the lessons of our forefathers (Grok and his mates) and eat primally. Understanding our DNA set-up (well, at a basic level) and how we can, in fact, programme our genes by understanding what happens when we eat what we eat, drink what we drink and exercise how we exercise. Becoming educated, again at a basic level, on exactly what the things on the side of packets mean, and I’m just starting to learn much more about why conventional wisdom around diet and lifestyle doesn’t, in fact, do ‘what it says on the tin’……
What challenges did you have in putting your new life-style into practice?
Aside from the challenge of learning to put together a completely different eating strategy, I did find it a challenge to not ‘snack’ – having been a great snacker before, although not always a snacker of what modern advisors may consider unhealthy (oat bars, cereal bars and suchlike, as well as chocolate, crisps, biscuits). Other challenges were around introducing, or in some cases a re-introduction, to foods that I hadn’t eaten, although as often happens, challenges (or fears) turn into unexpected pleasures. So an awful many foods that I refused to eat for years, I now enjoy hugely and in abundance and I find myself wondering why I was so stubborn before! (Liver, most root vegetables, biltong, greek yoghurt & venison are some of the main ones I refer to here). Another challenge was having to start cooking more than I/we did before, but we quickly realised that this isn’t actually a chore at all, and exploring more ways of preparing and cooking primal foods is one of the pleasures of the diet. Lastly, and this shouldn’t be underestimated I think in an honest assessment of changes, I think if this is approached properly, then not only eating according to the primal way but also obtaining organic, free range, freshly grown and preservative-free foods is important, and it tool us a while to get into a routine of how we do this, because it did mean a big change to the way we procured foods before.
What changes do you expect to see in the future if you continue following your program?
Hmmm…..good question. I think that changes that I will experience moving forwards will be less obvious and much more around the changes in the medium/longer term in how my body will benefit from how I’m now treating it. I think that I will see some further weight loss, although nowhere near at the rate I have been experiencing. I think once I change my exercise regime, I may see a slight change in body shape, perhaps. I wonder also whether I may feel less ‘old’ and more youthful as well…..
What challenges do you think you will have going forward in sticking to the program?
Honestly, I don’t think I will experience any challenges in sticking to it. I’m very contented and extremely happy having this way of living and eating and certainly don’t feel I’m missing out on anything (and when you’ve brewed that wheat-free ale Peter, that will be that sorted too :-)) I believe I will continue to learn more and indeed how to become an advocate of the programme. I believe in it, I ask questions when I don’t understand something, and I challenge things that I don’t think I follow, but it’s improved how I think and how I feel so much, that any thought of abandoning it are far away right now.
Hi Peter – Hope you’re in fine fettle? Thought I’d give you an update a week and a day in…the big headline is that I’ve lost nearly 4 kg (8 lb)!! I honestly cannot believe it, I’ve been eating quite a lot, but been very strict as to WHAT I’ve been eating. Nicki is gobsmacked!
I’ve arranged the visit to the Dr’s this Friday as well, and I’m feeling great – finding time for good breakfasts, and also finding time to cook too. I wish we’d have had that chat earlier….
Anyway – my week two questions move me onto desserts and snack-type things for when I’m a little peckish and whilst I’m reducing the need to feed my sweet-tooth
Also, Nicki mentioned about calcium, although I suspect that you’ll say that it’s present in many of the primal foods anyway….Last one, I like biltong and jerky, is that a suitable item to eat from your perspective? I read that as long as it’s low sugar content biltong then it’s a good nibble to include on one’s diet…
Congratulations, Richard, and well done on sticking to the foods a Primal diet allows!
When it comes to snacks the Primal rules still apply. Stay away from grains, starches and sugar. You are right, jerky and biltong are good options. Make sure they don’t contain sugar or are chemically processed, though.
Other snacks I used to enjoy include nuts, full fat greek yoghurt and grilled bacon rashers left over from breakfast. I don’t snack much anymore, though. You will find over time your need to snack will wane. As your body gets better adapted to burning ketones (fat) the period between meals and hunger will gradually get longer. I also find the hunger I now experience is completely different. It is a less urgent and less stressful sensation. This makes it easier to defer eating when I find myself in a situation where there are no good food choices available.
With regards to sweet things, the best thing you can do is stay away from them, endure the cravings and wait for them to pass. The cravings are part of the adaptation process. Some of it is physiological and some of it is psychological. Eventually you will have fewer cravings and all foods will start to taste much sweeter.
If the cravings become too much, go for a small bar of organic dark chocolate with at least 70% cocoa solids. The cocoa is packed full of actioxidants and a small 35g bar of Green & Blacks dark chocolate contains 12g of carbohydrate (mostly sugar, I imagine) which is not too bad for an occasional treat.
At times, you may find yourself giving in to temptation when you are offered sweet treats or other non-primal foods at social occasions. Don’t beat yourself up about that. My philosophy is the same as Mark Sisson’s which is to aspire to 100% compliance, but to be satisfied when I achieve 80% compliance. Now I probably comply 95% of the time, but achieving that was much tougher in the beginning.
The calcium question is a good one. The short answer is that a high-carb diet causes your body to leach calcium. Consequently, on a typical western diet, you need to ensure you get plenty of calcium in your diet. If you restrict your carbohydrate intake, the calcium you get from vegetables is plenty. I don’t remember the details of how the biochemistry works for this, but I will research it and post an explanation on this blog.
We also know that our hunter gatherer ancestors had denser bones than modern man, and osteoporosis is virtually non-existent amongst contemporary hunter gatherers. This is despite a complete absence of diary in their diet. If you think about it, we are the only mammal that habitually consume the milk of other species. My personal intuition is that diary is not essential for humans.
Nevertheless, I do eat yoghurt and a small amount of cheese, but that’s because I enjoy it, and I don’t think it does any harm. As I mentioned in my last post, Paleo purists take a different view, and I respect people’s personal choices with regards to diary. As long as you tolerate lactose and casein (the most common causes of diary alergies), go ahead and enjoy it. I do avoid milk because lactose is a form of carbohydrate, and milk sits high on the glycemic index. It is likely to trigger a spike in insulin secretion, which is something I try to avoid in the interest of keeping my body conditioned to fat burn.
I am sure I don’t have to tell you this, but be aware that the spectacular progress you have made in week 1 is not going to continue forever. Your rate of weight loss will slow and you will also hit a few plateaus along the way. When that happens, focus on how eating primal makes you feel rather than what it does for your weight. Here is a post on how Primal eating makes me feel: link
Keep the questions coming and good luck!
Gary Taubes’ book “Good Calories, Bad Calories” was a turning point for the low-carb and ancestral health movements. Taubes’ extensive and deep analysis laid bare how much of what passes for irrefutable scientific knowledge about nutrition is in fact supposition. In this lecture at Dartmouth University, Gary Taubes goes through his analysis and findings.
This blog reflects my personal opinions and experiences. None of the material I make available should be construed as medical advice, nor should it replace proper medical consultation. If this blog inspires you to start your own weight loss program, I encourage you to consult a medical professional. If you, your friends or your doctors wish to question or challenges any information on this blog, I welcome your feedback. Please leave a comment by the relevant blog article.