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Article: The TRUTH About Low Carb Diets by Keith Klein
not true!
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Article: The TRUTH About Low Carb Diets by Keith Klein
Steve wrote:
Lester wrote: Steve wrote: Why Low Carbohydrate Diets Don't Produce Long-Term Results. Enough right there in the above sentence. We all know that statement is absurd. The longest study to date on low-carb diets only lasted for 6 months. Weight loss stratedgies are usually evaluated by how much lost weight a person keeps off for 5 years. My personal, one-person study has lasted a good deal longer. 168/125/125 LC since 2/18/97 maintaining since 3/17/99 -- jamie ) "There's a seeker born every minute." |
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Article: The TRUTH About Low Carb Diets by Keith Klein
Peter Allen wrote:
"Dawn Taylor" wrote in message ... bizarre, false statements like "not eating enough (carbs) can lower your energy level " I'm not going to argue with anything else you said (partly because I is not an expert...). But in that case: if you do not eat a reasonable quantity of carbohydrates, then you will not perform well in an aerobic max test (such as any race that isn't a sprint). IMO that is lowering your energy level. And how much does that apply to the average dieter? Lyle |
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Article: The TRUTH About Low Carb Diets by Keith Klein
"Lyle McDonald" wrote in message
... Peter Allen wrote: "Dawn Taylor" wrote in message ... bizarre, false statements like "not eating enough (carbs) can lower your energy level " I'm not going to argue with anything else you said (partly because I is not an expert...). But in that case: if you do not eat a reasonable quantity of carbohydrates, then you will not perform well in an aerobic max test (such as any race that isn't a sprint). IMO that is lowering your energy level. And how much does that apply to the average dieter? Not very much, I know, because people to whom it would apply don't tend to get that fat in the first place. However just because you (or Dawn, more to the point) may disagree with most of what the guy wrote doesn't mean that you need to rubbish every point he makes, especially when the result is getting things wrong yourself. Peter |
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Article: The TRUTH About Low Carb Diets by Keith Klein
Peter Allen wrote:
"Lyle McDonald" wrote in message ... Peter Allen wrote: "Dawn Taylor" wrote in message ... bizarre, false statements like "not eating enough (carbs) can lower your energy level " I'm not going to argue with anything else you said (partly because I is not an expert...). But in that case: if you do not eat a reasonable quantity of carbohydrates, then you will not perform well in an aerobic max test (such as any race that isn't a sprint). IMO that is lowering your energy level. And how much does that apply to the average dieter? Not very much, I know, because people to whom it would apply don't tend to get that fat in the first place. However just because you (or Dawn, more to the point) may disagree with most of what the guy wrote doesn't mean that you need to rubbish every point he makes, especially when the result is getting things wrong yourself. I don't recall rubbishing every point he made by any stretch (tho Klien has had an irrational hardon against lowcarb diets for as long as I can remember and most of his criticisms come out of years old and totally outdated/incorrect ideas). In fact, when I talk about lowcarb diets, I try to ALWAYS point out the necessity of carbs for high intensity activities (aerobic and weights) tho I'm sure occasionally I forget. A couple of Klein's points are conditionally applicable (i.e. flatness for bodybuilders, energy levels for high intensity athletes; hence the use of cyclical lowcarb diets in those populations) but not across the board by any means. Most of them are flat out wrong (ketosis/acidosis is an old/incorrect confusion, the fat/disease link is just as simplified). Lyle |
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Article: The TRUTH About Low Carb Diets by Keith Klein
"Lyle McDonald" wrote in message
... Peter Allen wrote: "Lyle McDonald" wrote in message ... Peter Allen wrote: "Dawn Taylor" wrote in message ... bizarre, false statements like "not eating enough (carbs) can lower your energy level " I'm not going to argue with anything else you said (partly because I is not an expert...). But in that case: if you do not eat a reasonable quantity of carbohydrates, then you will not perform well in an aerobic max test (such as any race that isn't a sprint). IMO that is lowering your energy level. And how much does that apply to the average dieter? Not very much, I know, because people to whom it would apply don't tend to get that fat in the first place. However just because you (or Dawn, more to the point) may disagree with most of what the guy wrote doesn't mean that you need to rubbish every point he makes, especially when the result is getting things wrong yourself. I don't recall rubbishing every point he made by any stretch (tho Klien has had an irrational hardon against lowcarb diets for as long as I can remember and most of his criticisms come out of years old and totally outdated/incorrect ideas). For 'you' in what I wrote above, read 'one'. I wrote that in a bit of a hurry, I was trying to say that the person rubbishing everything was Dawn, not you. Sorry. Peter |
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Article: The TRUTH About Low Carb Diets by Keith Klein
As soon as he starts talkiong about ketones and ketosis he gets the biochemistry completely wrong. Most of the other statements are the classic lies and half truths that have been passed around for ages. Just another idiot with an agenda. Alan "Steve" wrote in message ... Any opinions about whether or not what this guy has to say as being true as well as the whole story? -------------------------------------------------------------------------- ------------- From: http://www.bodybuildingforyou.com/ar...diet-truth.htm -------------------------------------------------------------------------- ------------- The TRUTH About Low Carb Diets by Keith Klein TaeBo Select Malibu Naturals Nutritionist www.ineedcarblo.com If you've started a higher-fat, lower-carbohydrate diet then there are a few things you should know: Why Low Carbohydrate Diets Don't Produce Long-Term Results. Enough about the Atkins diet, let's talk about low-carbohydrate diets in general. Boy, am I frustrated. If I had a dime for every time a person asked me about the new "high-fat, low-carbohydrate diet," I'd be a millionaire. It's frustrating because it's like a used car salesman that's willing to sell you a lemon by highlighting the up-side of a car, but forgets about letting you in on the down-side. In the case of the low-carbohydrate diet, the down-side outweighs the up-side by a huge margin. A problem that adds to the confusion is the simple fact that cutting back on carbohydrates works, at least for a quick drop in body fat and body water. The piece of the puzzle missing for most dieters is the long-term effects on the body due to such a drastic reduction in carbohydrates. In case you haven't heard the latest scoop on the high-fat, low-carbohydrate diet, let me fill you in on the concept. This diet was very popular during the 70s and was popularized by Dr. Atkins. Like many diets of the past, this one gained a lot of press. After a couple of years of popularity Dr. Atkins' dieting approach fell by the wayside for several reasons. Unfortunately, the low-carbohydrate, high-fat diet is back, and seems to be gaining in popularity once again. Currently, Dr. Sears' book The Zone and another called Protein Power have revitalized the Atkins' diet. The concept is that a person should eat more protein, more fat and very little carbohydrate as the day wears on. Because the dieter is eating more fat, they tend to feel full longer, and this helps the person exert more control over hunger. In the past, people were allowed to eat as much red meat as desired, but had to keep their carbohydrate intake as low as possible. This combination of foods causes a chemical reaction, thereby causing the person to burn body fat at an accelerated rate. It's called a ketogenic diet. The low intake of carbohydrate, coupled with a high-fat diet and exercise causes the production of ketones. Ketones are the chemical residue of broken-down fats in the blood. To be more specific, if insufficient carbohydrates exist, the body begins to mobilize fat to a greater extent than it can use. The result, both at rest and after exercise, is incomplete fat metabolism and the accumulation of acid by-products called ketone bodies. This situation can lead to a harmful increase in the acidity of the body fluids, a condition called acidosis or ketosis. The ketogenic diet was conceived in the 20s by doctors in France and the United States. They discovered that prolonged starvation promotes ketosis as the body uses its fat reserves. So, they devised a way to mimic the chemistry of starvation through diet. The current diet revolution is nothing new, it's just an adaptation of these old concepts. The problem is, most people get their information from uninformed sources which fail to understand the scope of their recommendations. Low Carbohydrate Diet - What You Need To Know If you've started a higher-fat, lower-carbohydrate diet then there are a few things you should know: 1) By reducing carbohydrates you will see a drop of body weight and body fat. However, if you drop them too low while exercising, you could alter your body's T3 levels. T3 is an active thyroid molecule that helps regulate your metabolic rate. Diets low in carbohydrate tend to cause a reduction of T3, which in turn can slow down your metabolic rate. This is particularly true for people who under-eat and over-exercise. 2) A lot of the weight you drop while on a low-carbohydrate diet is water weight. For every gram of carbohydrate you ingest, about three to five grams of water usually accompany it. By decreasing your carbohydrate intake you naturally drop body water. Although this may sound like a good idea, when you resume eating carbohydrates you may find that your body rebounds and retains excess water. The water retention will dissipate after several days, but it wreaks havoc on the dieter's mental state. 3) During the 70s, clinicians began noticing that people that followed the Atkins' diet regained their weight very rapidly once they ceased the diet. In fact, they found the longer a person had been on the low-carbohydrate diet, the more carbohydrate sensitive they became. Further, when this diet was combined with exercise it caused people to become even more carbohydrate sensitive. This could be the devastating pitfall, because once the low-carbohydrate diet has ended, and the person tries to resume eating carbohydrates, his body tends to horde and store the carbohydrates as opposed to using them for energy. The person notices a fast accumulation of body water that's followed by an abnormally fast body fat gain. Although the water weight will eventually drop off, the person notices that he gains body fat very easily, but loses it more slowly in the future. 4) Carbohydrates provide a "protein sparing" effect. Under normal circumstances protein serves a vital role in the maintenance, repair, and growth of body tissues. When carbohydrate reserves are reduced the body will convert protein into glucose for energy. This process is called gluconeogenesis. The price that's paid is a reduction in the body's protein stores. In other words muscle! All, in turn, causes the metabolic rate to slow down as well. 5) There's another problem that eating too little carbohydrate creates. Your muscle fullness depends to a large extent on your carbohydrate intake. Low carbohydrate levels tend to make muscles lose their density and flatten out. Carbohydrates are a great source of fuel, so not eating enough can lower your energy level and make your muscles feel softer. 6) These diets focus on the relationship between carbohydrates and insulin (a hormone that shuttles fuel into fat). However, their suggestion that insulin exerts negative effects is not only misleading, it's downright flawed. Insulin does play a role in fat storage, but it also causes glucose to be shuttled into muscle cells as well. Our diets should keep blood levels of insulin as stable as possible, not try to suppress its release. 7) On the flip side, you'd have to be totally out-of-the-loop if you haven't heard that more fat increases your risk of heart disease, cancer, and obesity. Naturally, everyone wants to hear that they can eat fats and lose weight. I guess if you want to look good in your coffin, then it's okay with me. I've always disagreed with the American Dietetic Association and the idea that 30 percent fat is healthy. I believe that a diet of 20 percent or less fat poses a substantial health benefit as well as a reduced risk of obesity. It amazes me that this diet is back. Are people's memories really that short that they can't remember the reason that the Atkins' diet vanished the first time? Consider what bodybuilders learned years ago. During the 70s and early 80s, every major bodybuilding competitor dieted on a low-carbohydrate, high-fat diet, yet most of them ended up very smooth and not very well defined. The bodybuilders of the late 80s and 90s have improved dramatically. By having a diet high in protein, low fat, and moderate in carbohydrates, some of the best physiques ever have been produced. Some confusion about carbohydrates could stem from the fact that people see and hear bits and pieces of information from gym buddies and accept the information as fact. While it is true that as a contest nears bodybuilders decrease their carbohydrates, that doesn't mean that cutting back excessively yields better results. Over the years I have found that by removing the starch at the final meal during the last three to four weeks before a show, bodybuilders tend to get very tight and more defined. And for others, a biased article designed to sell books placed prominently in a major magazine could be all it takes to attract everyone's attention. When you hear people talking about a "new" diet approach, stop and ask yourself does it follow healthy guidelines? Does the diet call for measures that you cannot do for life? If so, don't even try it. If you are serious about transforming your body to its ultimate potential, get the Muscle Building Nutrition by Will Brink with great reviews from top pro athletes like Lee Labrada, Charles Poliquin, and more. About the author For 18 years Keith Klein has been one of America's leading nutritionists. His books include Weight Control For Young America, Lean For Life, Get Lean, The Healthy Chef, and Kidtrition Cafe. His columns run in Fitness Express, Health and Fitness, and many other publications. Keith hosted a nationally syndicated 2-hour radio program GetFit, for three years on Prime Sports Network. Keith's popular television show, Smart Bodies, aired weekday mornings on TPN for several years. He currently hosts the Keith Klein Nutrition Hour and is director of The Institute of Eating Management, where he acts as personal nutritionist to many of America's top athletes, models, and dancers, including Mary Lou Retton, Kim Zmeskal, Ricky Sanders (Washington Redskins); golf pros Greg Chapman and Kelly Knehne; Lee Labrada (Mr. America & Mr. Universe), Carla Dunlap (Ms. Olympia), Victoria Gay ("Jazz" of the American Gladiators), Betsy Bates (Ms. America), Tatianna Anderson (Ms. Fitness USA), Deanna Clark. |
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Article: The TRUTH About Low Carb Diets by Keith Klein
On Fri, 4 Jun 2004 11:04:12 +0100, "Peter Allen"
announced in front of God and everybody: However just because you (or Dawn, more to the point) may disagree with most of what the guy wrote doesn't mean that you need to rubbish every point he makes, especially when the result is getting things wrong yourself. That question in the original post was, "Any opinions about whether or not what this guy has to say as being true as well as the whole story?" Well, a great deal of what the guy had to say was complete bull****. Which invalidates his essay as a whole. I think that answered the original question quite nicely. Dawn |
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Article: The TRUTH About Low Carb Diets by Keith Klein
Steve wrote:
Any opinions about whether or not what this guy has to say as being true as well as the whole story? From: http://www.bodybuildingforyou.com/ar...diet-truth.htm Enough about the Atkins diet, let's talk about low-carbohydrate diets in general. Boy, am I frustrated. Interesting. He starts out at the gate declining to debate the actual Atkins diet so he has to attack generic low carbing. That's the start of the fun. A problem that adds to the confusion is the simple fact that cutting back on carbohydrates works, at least for a quick drop in body fat and body water. So I lost 35 pounds of water. Sure thing, wanna buy my bridge? At best estimate 4-6 of those 35 were water. The concept is that a person should eat more protein Generic low carbing of his design not Atkins. Interesting. The result, both at rest and after exercise, is incomplete fat metabolism and the accumulation of acid by-products called ketone bodies. This situation can lead to a harmful increase in the acidity of the body fluids, a condition called acidosis or ketosis. Instant sign of idiocy, can't tell dietary ketosis from ketoacidosis or for that matter from lactoacidosis. Ketones are not acidic they just happen to come along with acids when ketoacidosis is happening. Since dietary ketosis doesn't include those other chemicals dietary ketosis doesn't include acidic blood. The current diet revolution is nothing new, it's just an adaptation of these old concepts. The problem is, most people get their information from uninformed sources which fail to understand the scope of their recommendations. Including him when it comes to sources. He did have to attack generic undisiplined low carbing rather than actual Atkins after all. Yup, folks who make it up on their own occasionaly do bad stuff to themselves. 1) By reducing carbohydrates you will see a drop of body weight and body fat. However, if you drop them too low while exercising, you could alter your body's T3 levels. T3 is an active thyroid molecule that helps regulate your metabolic rate. Diets low in carbohydrate tend to cause a reduction of T3, which in turn can slow down your metabolic rate. This is particularly true for people who under-eat and over-exercise. Exactly why the core Atkins process has Induction last 14 days. Exactly why not one single popular plan includes staying low. And exactly why I campaign folks who are making up their own plan to follow a designed plan. 2) A lot of the weight you drop while on a low-carbohydrate diet is water weight. For every gram of carbohydrate you ingest, about three to five grams of water usually accompany it. By decreasing your carbohydrate intake you naturally drop body water. Chuckle. So how much of the 35 I lost was water again? Although this may sound like a good idea, when you resume eating carbohydrates you may find that your body rebounds and retains excess water. The water retention will dissipate after several days, but it wreaks havoc on the dieter's mental state. That's a valid point. One of the reasons I replied is he does have some valid points mixed in. Others saw he can't tell dietary ketosis from ketoacidosis and wrote him off as an idiot. 3) During the 70s, clinicians began noticing that people that followed the Atkins' diet regained their weight very rapidly once they ceased the diet. Name a diet that let's you keep it off after quiting. Go ahead, I'm waiting. Tick, tock. All diets tend to cause regain plus rebound; that's why folks have to find a permanent change. 4) Carbohydrates provide a "protein sparing" effect. Actually it's fat that does this. The results of the classic fat fast experiment that showed people eating 90% fat at 1200 calories lost less lean than people eating 90% carbs at 1200 calories. I've never seen a biochemical explanation of why eating fat does this or why eating carbs has the reverse effect, but the data does show it. Under normal circumstances protein serves a vital role in the maintenance, repair, and growth of body tissues. When carbohydrate reserves are reduced the body will convert protein into glucose for energy. That may explain why eating high-carb-low-protein costs lost lean, but it does not suggest why eating high-fat-low-protein does not. 5) There's another problem that eating too little carbohydrate creates. Your muscle fullness depends to a large extent on your carbohydrate intake. Low carbohydrate levels tend to make muscles lose their density and flatten out. Being sleek as a panther is a problem? Serious? Not to me. Anyone who previously lost lean on low protein diets tends to grow it back when low carbing. Our diets should keep blood levels of insulin as stable as possible, not try to suppress its release. Insulin instability comes from excess release, so avoiding excess release is not the same as suppression. 7) On the flip side, you'd have to be totally out-of-the-loop if you haven't heard that more fat increases your risk of heart disease, cancer, and obesity. Except that all of the data towards that claim is done with high-carbers. All studies of low-carbers tend to show reduced risks across the board for most but not all. Some will argue that currently available studies are still too short term and I agree, but what about the long term studies that show that high-carbing tends to increase their risks in most but not all. It amazes me that this diet is back. Are people's memories really that short that they can't remember the reason that the Atkins' diet vanished the first time? The AMA went ballistic fighting it. Turns out they were wrong. Consider what bodybuilders learned years ago. During the 70s and early 80s, every major bodybuilding competitor dieted on a low-carbohydrate, high-fat diet, yet most of them ended up very smooth and not very well defined. The bodybuilders of the late 80s and 90s have improved dramatically. By having a diet high in protein, low fat, and moderate in carbohydrates, some of the best physiques ever have been produced. Many competitive body builders now cycle. Neither low fat nor low carb but a cycle between them. Lots of work for what most dieters desire. While it is true that as a contest nears bodybuilders decrease their carbohydrates, that doesn't mean that cutting back excessively yields better results. Just like he had to resort to generic roll-your-own low carbing because Atkins and all other popular plans teach exactly the same thing as well. Every one has folks move up in carbs after the initial two weeks. When you hear people talking about a "new" diet approach, stop and ask yourself does it follow healthy guidelines? Does the diet call for measures that you cannot do for life? If so, don't even try it. Exactly and this is the biggest edge plans like real by-the-book Atkins and real by-the-book SBD have. In their later stages many folks *can* follow them year in and year out. About the author For 18 years Keith Klein has been one of America's leading nutritionists. Not a stunning qualification. Many nutritionists learned their craft back in the days when low carbing was not popular and they have never caught up. |
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Article: The TRUTH About Low Carb Diets by Keith Klein
On 4 Jun 2004 13:46:04 -0700, Doug Freyburger wrote:
Steve wrote: [cut] Although this may sound like a good idea, when you resume eating carbohydrates you may find that your body rebounds and retains excess water. The water retention will dissipate after several days, but it wreaks havoc on the dieter's mental state. That's a valid point. One of the reasons I replied is he does have some valid points mixed in. Others saw he can't tell dietary ketosis from ketoacidosis and wrote him off as an idiot. It's a valid point in that you do gain back water. It's a non sequitor (sp?) to say that this "wreaks havic on the dieter's mental state." I simply know that I'm going to gain weight if I eat too many carbs. In fact, I like it, as I know I'm going to bike faster (although I do have a few more pounds of water to slog up a hill). -- Bob in CT Remove ".x" to reply |
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