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More About Starvation Mode - POSTED ON: Oct 24, 2012
"We never repent of having eaten too little.” Thomas Jefferson (1743 -1826)
When Jefferson was the principal author of the Declaration of Independence in 1776, he was around 33 years old, and he lived until age 83 during a time when food was not as easily obtainable. Even though he did not experience our modern readily-available-highly-processed-food world he seemed to understand the value of eating less. How little is "too little"?
I’ve noticed that people who eat far too much, seem to spend a lot of time worrying about eating too little. Why do people who are obese, or even merely overweight, fear eating too little, and just how little is too little anyway?
Many overweight and obese people appear to have an irrational fear of starvation mode. However, one really can't eat too little for weight loss - Starvation Mode (the way most dieters define it) is a Myth.
"Starvation mode" is a phrase that gets thrown about loosely. Many people think that eating below 1000 to 1200 calories a day, will cause their metabolism to slow down so much that their body will stop losing weight. The reality is that until a male has only 5% excess body fat, or a female has only 10% excess body fat, it is very unusual for a person to go into “starvation mode”.
When it seems impossible for a dieter nearing goal to lose weight, they assume their metabolic process is slowing down, and think that they are “in starvation mode”. However, people with extra weight obtainable to oxidize, can oxidize extra body fat per second. The less human body fat one has, the less fat oxidized for each moment. So as one gets closer to the body’s individual reduction limit of human body weight, the slower one will burn up what body fat one has. This is why taking off the final 10 pounds happens very slowly, NOT because one is wrecking one’s metabolic process with an aggressive diet regimen.
By the way, I’m using the term…”excess fat”… to define the entire genetic make-up of an individual body, not “troublesome” fat on specific body areas that one wishes were leaner… like stomach or thighs, etc. It is not uncommon for someone who is “normal weight” or even “underweight” to be unhappy with the way their own body’s necessary fat is genetically distributed.
The article quoted below makes a number of good points:
Are You In The Starvation Mode or Starving For Truth? Recently we discussed the myth that dieting can lead to an eating disorder and saw this common dieting myth was inaccurate. Another common dieting myth held by people is that they may not be losing weight because they are in the "starvation mode" from eating too few calories. And, in response to the intake of this low calorie level, their body has gone into "starvation mode" and slowed down their metabolism and is holding on to the weight. The usual recommendation to get out of starvation mode and allow the body to lose more weight, is to consume more calories. Eat more calories, to lose more weight.
Really? Well, for anyone struggling to lose weight, this may sound sensible, but as you will see, it, like most other dieting myths, it is inaccurate. A few things to consider before we get to the "starvation mode." First, the human body, as is our world, is governed by the laws of physics. Body weight is a product of energy balance. We can not violate the laws of physics and thermodynamics. The energy we consume must go somewhere, and to maintain a certain level of weight, an equivalent amount of energy must be consumed and an equilibrium must be achieved.
Second, in regard to metabolism, about >70% of our base metabolism is driven by our brain and other vital organs and is not really effected by food consumption as I discussed in the metabolism blog. We have little impact on this basal metabolic rate.
Third, most attempts to accurately track food consumption under report (intentionally and/or not intentionally) by about 30% and attempts to track exercise and activity levels over report by up to 50%. Even professionals can be as much as 30% off or more. This is usually part of the problem. Fat people are not accurately able to determine their caloric intake and output. Now, in regard to the "starvation" mode, someone who has extra body weight and body fat is not in any "starvation mode" where they need to 'kick start" their metabolism by eating more calories. You can not "eat more" calories to force your body to "lose weight". In regard to metabolism, if you are overweight/overfat, you can not cause your metabolism to decrease below a level needed to lose weight while you have extra weight/fat on you, and you can not "lose more weight by eating more calories/food." This is a misunderstanding of the principles of metabolism that does not apply to overweight people trying to lose weight. Let's say we look at someone who says they are only eating only 800 calories and not losing weight. A well meaning and good intentioned friend (or professional) has told them they are in starvation mode and in order to lose weight and/or kick-start their metabolism, they need to eat more. But, what if instead of eating more, what do you think would happen if instead they just stopped eating altogether? Would they go further into starvation mode and continue to stay at the same weight or maybe even "gain" weight?
Clearly, they would lose more weight if they stopped eating altogether. We all know (especially those who are familiar with fasting) that if you were to stop eating completely and just live on pure water, you would start to lose weight almost instantly and would continue to do so. But according to this theory of the "starvation mode," if you were really in it and you fasted, by its own rational you would lose less weight ... if any at all, not more. We know this is not accurate. So, where did this myth come from?
There is a true phenomenon known as the starvation response and it is well documented in the Minnesota Starvation experiments and the Hunger Fasts that have been studied. However, it only happens in humans when they lose enough body fat that they fall below the level of essential fat. In a man, this would be below around 5% fat and in women just above that, about 10%. Most humans will look like holocaust survivors at that time. Here is a picture of some of the subjects from the famous Minnesota Starvation experiments from the 1940s.
Even at this point, after months of a low calorie diet with heavy exercise, they were not yet in the so-called "starvation mode" where they experienced significant metabolic changes. If you have more weight/fat on you than them, then neither are you In addition, when this point is truly reached, the body does make several metabolic shifts to preserve itself, and if it is not fed more calories, can cease to exist. It is a matter of life and death. Hence the name.
This is not the same thing that happens when someone who is overweight and has a high percentage of body fat, is not losing weight. Usually this is due to an inaccurate assessment of their energy balance. Now, it is possible that a medical condition, like hypothyroid could contribute to a slowed metabolism. However, if someone was to have a thyroid problem, it can be diagnosed and treated. But, then we are right back to my points above and dealing with an energy balance issue. So, if you are overweight and/or overfat and not losing weight, the most important thing to do is re-evaluate your energy balance. And the best way to do this is to focus on foods that are low in calorie density (and high in nutrient density) and maintain a healthy level of activity.
The above-article was written by Jeffrey S. Novick, MS, RD, LD, LN, in January 2009 at www.healthscience.org
MS = master of science,
RD = registered dietitian
LD = Licensed dietitian
LN = Licensed nutritionist
Another Faulty Inference of Causation - POSTED ON: Oct 23, 2012
It’s easy to make faulty inferences about causation. Correlation is not Causation. Let's be careful not to make the same mistake this woman did:
A Sustainable Alternative - POSTED ON: Oct 21, 2012
Weight-loss and maintaining weight loss requires that we change our Way-of-Eating, Forever, BUT.. While the change FROM our Way of Eating while we were fat must be permanent, our change TO any other specific Way of Eating can be temporary. There are many different Ways of Eating to choose from. We can choose one for awhile, and then make a different choice. We can hop between these choices as much as we like. Every Way of Eating is acceptable, as long as it fulfills the following requirement, which is:
During weight-loss: The amount of food intake must provide less energy than one's individual body burns.
During maintenance: The amount of food intake must provide the same energy as one's individual body burns.
During my lifetime of learning about, and sampling different Ways of Eating ... (Diets) here's a statement of objection I commonly see made by somebody, to almost every Diet I've encountered.
The '"X Diet", or "Dieting", will not result in permanent weight-loss because it is NOT SUSTAINABLE.
Everyone tends to nod their head in agreement with this principle, and then people in favor of the specific diet or in dieting, say that after achieving success, one should return to their "normal" Way of Eating... eating a bit less, AND then continue to use that same diet occasionally in order to lose any weight regained. There is an Alternative way of looking at this, and it is the one I use here in my own Dieting Hobby.
It's okay for the PERMANENT change to consist of many TEMPORARY changes.
Just pick any diet or way-of-eating that meets the above-stated energy requirements which attracts you. Stay on it as long as you can. When you want to eat differently, choose another diet or way-of-eating that meets the above-stated energy requirements which attracts you. Keep doing this process until you find a diet or way-of-eating that you find personally sustainable long-term, or until you die ... whichever comes first. This Alternative provides great deal of flexibility within one's eating choices. I've found that by choosing this Alternative, I am exposed to many desirable possibilities that are new to me. Some of these possibilities are transient experiences, and some of these possibilities become enjoyable Habits that I am able to incorporate into my life on a rather permanent basis. Some of you may be interested in my new Grandma video: which is located in DietHobby, at GRANDMA'S HOUSE, under Ask Grandma. You can also get there by clicking the link: Do YOU Like Change?
What if modern Theories about Food & Digestion are Wacked. - POSTED ON: Oct 19, 2012
We now have enormous access to miscellaneous information via the internet. This means that a relatively intelligent, ordinary person, with a bit of formal education (such as myself), can be exposed to a myriad of possibilities… together with little or no personal ability to determine the accuracy of the information provided.
Online time exposes us to ideas that are relatively new to us, and leads us to discover data and publications… including books and videos … that would have been otherwise unavailable to us. Such exposure and discoveries make me think about things in ways I’ve not previously considered. There are many great Theories in the world which modern Societies in general consider to be true…but .. chances are, some of them probably are not.
Along with many other people living in the “civilized” societies of the present, I am interested in my own eating and digestive process. Yes, eating is necessary for sustaining life, but I want to know more about how I can enjoy food without getting fat. In a way, eating is like sex. If there was no enjoyment in the process, people would be doing a whole lot less of it.
So, what if the details we THINK we know about Food and the Digestive system are inaccurate?
I find it interesting to consider the possibility that much of the knowledge which we take for absolute truth about diet and nutritional information (which is often referred to as “conventional wisdom”), might be WACKED. When I say “wacked”, I mean “out of order, crazy, not in proper condition, screwed up, incorrect, so messed up it could be broken.”
What if?
What if the state of our current knowledge regarding nutrition and the body is similar to that previous accepted Truth = “the world is flat”? Societies of the past functioned for long periods of history with what we consider now to be only minimal knowledge. Back in time, people did a great deal of traveling before they discovered that “the world is round”. We now tend to think of them as ignorant, but they were as knowledgeable and forward thinking as was possible at the time. People in the future might consider those of us who live here in the present, to be ignorant and backward.
I recently read the following about how “calories” were discovered:
Up until March 16, 1896 at 10:30 am, food was just that – something we ate to stave off hunger and to grow. Food was nourishment and a source of “protein” (back then this meant even rice, potatoes and wheat), typically, about 12-15% protein was recommended. All foods were assessed for “protein.” There was “cheap protein” and “expensive protein,” but people didn’t equate meat with protein any more than gluten in wheat. It was a time of affordable nourishment as a priority. People were starving. On that day in March, Wilbur O. Atwater began his now famous calorimetry experiments and fundamentally changed how we look at food forever. After locking a Dr. Olin Freeman Tower up in a small chamber for 5 days Atwater took measurements of Dr. Tower’s metabolism. Four days earlier Dr. Tower began eating a fixed “breakfast, dinner, and supper” and continued throughout the 5 days. He exited on March 21 having gained 2 lbs. Atwater’s measurements included both the change in temperature and the oxygen consumed/carbon dioxide produced. For the first time – food, mostly meals, had a number. They went on to perform many experiments on how the body digests and absorbs the energy and then assigned “caloric content” of these foods based on experimentally measured averages. Remember, we didn’t know about vitamins and minerals yet – that begins 30 years later. Atwater was simply ascribing a caloric content to protein, carbohydrate, fat and alcohol. The question answered: How did the body react to food when input, waste, heat and composition were precisely measured? Did the laws of thermodynamics apply to people and food? Eat, swallow, and poop. Now, we have a quantification of energy. Atwater changed everything we knew about food. He made some groups angry, like the Woman’s Christian Temperance Union, for suggesting alcohol actually had calories, but he defined the notion of digestibility of food based on protein, carbohydrate fat, and alcohol energy content. He had good goals and unbelievable attention to detail, but he warned that these numbers shouldn’t be used too much outside the bounds of the food combinations that were studied. On the not-so-helpful side of things, Atwater inadvertently launched the now common “macronutrient wars.” With this new data, the beef and wheat industry could go head-to-head on “affordable protein.” These battles have raged on for a century and soon food was being ubiquitously labeled with “proteins, carbs and fats” and today, diet dogma abounds on the mythical ratios for health. When Atwater began these investigations, we were still trying to validate Lavoisier’s work a century earlier that equated the chemistry of a burning candle and the Human body’s digestion of food. Atwater wasn’t a fan of bread and simple sugars and advocated that more legumes and vegetables be incorporated into the diet. People thought of food very differently then – remember, nourishment. After Atwater died, we learned so much more about the role of vitamins and minerals, but at that time it was much more simple and in some ways, easier to make decisions. When the first food pamphlet (after his death) was published in 1916 – Food For Young Children by Caroline L. Hunt, I’m sure it wouldn’t have met his approval had he been alive. In it, you can see the beginnings of what would be a century dominated by special interest and food political agendas. In the little over a century between 1796 and 1900 Lavosier and Atwater made HUGE progress on energy and in the last century we’ve made progress on vitamins and minerals. We have taken Wilbur Olin Atwater’s life work and reduced it to … pervasive, unintelligible, and misguided recommendations for people. The key to weight loss AND health is to start talking about food, and not label it with macronutrient names based on a fictional notion that the most significant factor of a food is the majority of the macronutrient present within it.
The above-article comes from the personal blog of Ray Cronis, which is known as Thermogenex, located at www.hypothermics.com. It says that
Ray Cronis studied chemistry in undergraduate and graduate school and began his career as a Material Scientist at NASA's Marshall Space Flight Center. During his 15 years at NASA, he worked on a microgravity material science, physical & analytical chemistry, and space station environmental control an life support systems. Ray co-founded Zero Gravity Corporation with Peter Diamandis and Byron Lichtenberg - creating the world's first private parabolic flight operation. He is not a medical doctor, but is informally currently exploring the issue of weight loss by way of basic thermodynamic principles.
Click the link if you’rd like to see “Food For Young Children” (1916) by Caroline L. Hunt, which is the pamphlet referred to in the article above. As part of my Dieting Hobby, I often consider things such as these, simply because I find them interesting and/or inspiring. I don’t feel it necessary to make a personal decision as to whether the ideas are truly “correct” or “incorrect”. Here at DietHobby my philosophy is: Take what you like and leave the rest.
Hold On Tight To Your Dream - POSTED ON: Oct 17, 2012
We all have dreams. Some are for tomorrow, some are for next week, and some are for years from now.
Dreams and hopes live in the heart. They are uniquely us, and have the potential to result in who we become. It is within our ability to realize many of them by listening to our heart and completing some necessary steps. Reality today was a dream or hope sometime in the past. A dream and a goal are two different terms that help in our task. The dream is the final destination and the goal is the path leading to it. One dream can have many goals or directions and strategies that help us accomplish it. Each goal is a small step toward the finalization of the dream. Maintaining our focus on the dream instead of the short-term goals will enable fulfillment and satisfaction. While achieving goals offers a sense of satisfaction, it doesn’t provide ongoing motivation. The real power of each goal comes from its connection to the appropriate dream. We have the ability to take many of our dreams out of fantasy and convert them into eventual reality by setting realistic goals and constantly reviewing our process to stay on track.
One of my dreams is to maintain my body in the "normal" weight-range for the rest of my life.
We all have dreams. But in order to make dreams come into reality, it takes an awful lot of determination, dedication, self-discipline, and effort. We can choose to Hold on Tight to our Dreams.
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