Wednesday, 14 February 2018 23:34

Are you a carboholic?

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I read Gary Taubes (Personal Homepage) article in the New York Times a few months ago, titled " Are You a Carboholic? Why Cutting Carbs Is So Tough", which article was not only extremely impressive, but also ignited a wave of responses and comments from readers, who wanted to have their say on its content. Over 1.400 responses is quite heavy and the subject seemed to trigger quite some emotions, pro and cons.  One of those responses summed up the "conclusion (?)" quite nicely, I believe: 
From: Irene Secord Toronto, Ontario July 25, 2017 - I can relate totally to what he is saying about carbs being a trigger to eat more carbs. I am obviously one of the ones (the few?) who has this syndrome. I have been directed by nutritionists to eat more health fats (avocados, coconut and olive oil etc.) and it helps me to stay on a healthy dietary regime where I am not pigging out on carbs. Avoiding sugar prevents you from craving sugar. I read some of the comments below and realize we are all different and some people do not relate to this at all. Oh, to be able to occasionally eat a slice of bread or a sugary dessert without wanting to eat the whole loaf or whole box of cookies! I envy you and your experience with carbs.
I guess we are all metabolically different and some can live with sugar/carbs in moderation very well until a high age. Others can not and become obese with all consequences for about 80% of them. My wife of 33 years, was a professional cook in the days before our marriage and in her training, she also was tought about nutrition- classic style of course- and specialized in fancy restaurants on desserts and pastries. 
She still has the believes from her training days, but despite mainly cooking fresh for all those years at home for the family, I got fat and had major health issues at a relatively young age. Was it the sugar in her pastries and all the carbs with every meal or the stress in my job, the alcohol or my relative lack of excercise all these years? It is what it is, we have an entente, an understanding  now.  We both manage to do our thing and contribute both to its realization. Today- she baked a good smelling creamy apple pie. Its hard not to touch it, I admit it,  I am an addict too. If I fail tonight and fall off the wagon, tough shit, I will get back up. So far I didnt though fall off the wagon though.

Are You a Carboholic? Why Cutting Carbs Is So Tough 

By: Gary Taubes

I´ve been eating a high-fat, carb-restricted diet for almost 20 years, since I started as an experiment when investigating nutrition research for the journal Science. I find it´ s easy for me to maintain a healthy weight when I eat this way. But even after two decades, the sensation of being on the edge of a slippery slope is ever-present.
The holidays and family vacations are a particular problem. Desserts and sweets, it seems, will appear after every lunch and dinner, and I´m not particularly good at saying no when everyone else is partaking. The more sweets I eat, the more we eat as a family, the longer it takes upon returning home before that expectation of a daily treat fades away.
What I´ve realized is that eating a little of a tasty dessert or a little pasta or bread fails to satisfy me. Rather it ignites a fierce craving for more, to eat it all and then some. I find it easier to avoid sugar, grains and starches entirely, rather than to try to eat them in moderation. The question is why.
To begin to answer that question requires understanding that researchers are generally divided not only on what causes obesity, but also why we have cravings and often fail to stay on diets.
The conventional thinking, held by the large proportion of the many researchers and clinicians I´ve interviewed over the years, is that obesity is caused by caloric excess. They refer to it as an "energy balance" disorder, and so the treatment is to consume less energy (fewer calories) and expend more. When we fail to maintain this prescription, the implication is that we simply lack will power or self-discipline.
It´s s viewed as a psychological issue or even a question of character, says Dr. David Ludwig, who studies and treats obesity at Harvard Medical School.
The minority position in this field- the one that Dr. Ludwig holds, as do I after years of reporting is that obesity is actually a hormonal regulatory disorder, and the hormone that dominates this process is insulin. It directly links what we eat to the accumulation of excess fat and that, in turn, is tied to the foods we crave and the hunger we experience. It´s been known since the 1960s that insulin signals fat cells to accumulate fat, while telling the other cells in our body to burn carbohydrates for fuel. By this thinking these carbohydrates are uniquely fattening.
Since insulin levels after meals are determined largely by the carbohydrates we eat- particularly easily digestible grains and starches, known as high glycemic index carbohydrates, as well as sugars like sucrose and high-fructose corn syrup- diets based on this approach specifically target these carbohydrates. If we don´t want to stay fat or get fatter, we don´t eat them.
CarbsArt This effect of insulin on fat and carbohydrate metabolism offers an explanation for why these same carbohydrates, as Dr. Ludwig says, are typically the foods we crave most; why a little "slip" as addiction specialists would call it, could so easily lead to a binge.
Elevate insulin levels even a little, says Dr. Robert Lustig, a pediatric endocrinologist at the University of California, San Francisco, and the body switches over from burning fat for fuel to burning carbohydrates, by necessity.
The more insulin you release, the more you crave carbs, he said. Once you are re-exposed to a little carbohydrate, and you get an insulin rise from it, that forces energy into fat cells and that deprives your other cells of the energy they would otherwise have utilized - in essence-, starvation. So you compensate by getting hungry, particularly for more carbohydrate. High insulin drives carb-craving.\rdblquote
The result is that even a bite or a taste of carbohydrate-rich foods can stimulate insulin and create a hunger " a craving" for even more carbohydrates. There´s no question in my mind, says Dr. Lustig, that once people who are "carboholics" get their insulin levels down, they become less carboholic. And if they go off the wagon and start eating carbs, they go right back to where they were before. I´ve seen that in numerous patients.
Sugar and sweets might be a particular problem, because of several physiological responses that may be unique to sugar. Sugar cravings appear to be mediated through the brain reward center that is triggered by other addictive substances. Both sugar and addictive substances stimulate the release of a neurotransmitter called dopamine, producing an intensely pleasurable sensation that our brains crave to repeat. Whether this really is a significant player in sugar cravings is one of many areas of controversy in the field.
Researchers like Dr. Ludwig and Dr. Lustig who also see patients, and physicians, nutritionists and dietitians who promote carb-restricted diets, believe that a person can minimize these carbohydrate cravings by eating lots of healthful fats instead. Fat is satiating, says Dr. Ludwig, and it´s the one macronutrient that doesn´t stimulate insulin secretion. Eating fat-rich foods, helps extinguish binge behavior, Dr. Ludwig says, as opposed to high-carb foods which exacerbate it. (Although the definition of a "healthful" fat is another topic of debate.)
Whatever the mechanism involved, if the goal is to avoid the kind of slip that leads from a single forkful of rice to a doughnut binge or falling off your diet for good, then the same techniques that have been pioneered in the field of drug addiction for avoiding relapses also should work in this scenario as well. These basic principles have been developed over decades, says Laura Schmidt, an addiction specialist at the University of California, San Francisco School of Medicine who now studies sugar as well. They can work for anyone who´ s gotten clean and sober and wants to stay that way.
The first and most obvious strategy is to stay away from the trigger. Alcoholics who care about staying sober won´t get a job in a bar or even walk down the alcohol aisle in a grocery store, says Dr. Schmidt. It´s harder to avoid junk foods in the food environment around us, but we can certainly clean up our home environment and avoid situations where sugar and other treats are easily available.
Changing our social networks may be necessary as well - convincing our families and our communities to be invested in eschewing these foods, just as they would help if we were trying to quit cigarettes or alcohol or a harder drug.
Another valuable technique is to learn to identify, plan for, and avoid situations that weaken resolve or increase cravings. If I know that at 3 p.m. I have a little slump and will want to go to the vending machine, then I can have food available that´s the equivalent but that won´t trigger a binge, says Dr. Schmidt. Instead of sugary soda, I can drink sparkling water with a lime in it.
Ultimately, any successful diet is by definition a long-term commitment. We tend to think of diets as something we go on and off. And if we fall off, we think the diet failed. But if we buy into the logic of carb-restricted diets, then it implies acceptance of a lifetime of abstention. As with cigarettes or alcohol, if we fall off the wagon, we don´t give up; we get back on.
\It´s a very powerful system that has to be undone, whether it´s addiction or metabolic disease, says Dr. Schmidt. It is knitted into the body and mind over years, and getting healthy requires taking the long view as well.
Read 850 times Last modified on Friday, 24 January 2020 14:49

1 comment

  • Comment Link Fas Kuiters Sunday, 26 January 2020 11:42 posted by Fas Kuiters

    I added another H-Blog article over the week-end- this time focusing on addiction- be it drugs, tobacco, alcohol or sugar (!?!). I have never really taken drugs, except some amphetamines in my student days to be able to prepare for exams. Mind you I think the use of that stuff among executives might be more wide-spread than we think. Tobacco and alcohol has always been a big part of my life, but I have learned to control it at a late stage in life. The past 5 years, I got to grips with sugar too. Hopefully forever.

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