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An intermittent, low-carbohydrate diet was superior to a standard, daily calorie-restricted diet for reducing weight and lowering blood levels of insulin, a cancer-promoting hormone, according to recent findings.
Researchers at Genesis Prevention Center at University Hospital in South Manchester, England, found that restricting carbohydrates two days per week may be a better dietary approach than a standard, daily calorie-restricted diet for preventing breast cancer and other diseases, but they said further study is needed.
"Weight loss and reduced insulin levels are required for breast cancer prevention, but [these levels] are difficult to achieve and maintain with conventional dietary approaches," said Michelle Harvie, Ph.D., SRD, a research dietician at the Genesis Prevention Center
Harvie and her colleagues compared three diets during four months for effects on weight loss and blood markers of breast cancer risk among 115 women with a family history of breast cancer. They randomly assigned patients to one of the following diets: a calorie-restricted, low-carbohydrate diet for two days per week; an "ad lib" low-carbohydrate diet in which patients were permitted to eat unlimited protein and healthy fats, such as lean meats, olives and nuts, also for two days per week; and a standard, calorie-restricted daily Mediterranean diet for seven days per week.
Data revealed that both intermittent, low-carbohydrate diets were superior to the standard, daily Mediterranean diet in reducing weight, body fat and insulin resistance. Mean reduction in weight and body fat was roughly 4 kilograms (about 9 pounds) with the intermittent approaches compared with 2.4 kilograms (about 5 pounds) with the standard dietary approach. Insulin resistance reduced by 22 percent with the restricted low-carbohydrate diet and by 14 percent with the "ad lib" low-carbohydrate diet compared with 4 percent with the standard Mediterranean diet.
"It is interesting that the diet that only restricts carbohydrates but allows protein and fats is as effective as the calorie-restricted, low-carbohydrate diet," Harvie said.
Originally posted by TiredofControlFreaks
The study is NOT nicely designed.
1. 15 woman? Do you really consider that to be a representative sample.
2. 4 months of dieting? Do you really consider that enough time to fully represent what the metabolism will do?
3. let us pretend for just a moment that the woman who only had to diet intermittently actually found the diet more interesting and satisfying - and therefore were better able to stick to the diet.
4. Did the woman who were on the calorie restricted diet cheat on their diet? Did these woman actually lose less wieght because they triggered a "starvation" restriction that caused their bodies to store more fat instead of losing it.
The only thing this study has proven is that it easier to lose wieght on a satisfying diet than a non-satisfying one.
Pathways to Breast Cancer: A Case Study for Innovation in Chemical Safety Evaluation
Breast cancer, the most common invasive cancer in women, is hypothesized to be linked to industrial chemical exposure through the environment and the use of consumer products. A major challenge in understanding the extent to which chemicals contribute to breast cancer is a lack of toxicity information—a data gap—for tens of thousands of commonly used chemicals. Through its Green Chemistry Initiative, California is attempting to address this data gap by seeking ways to develop toxicity information for chemicals used in consumer products. A bill recently introduced in the U.S. Congress to reform the decades‐old Toxic Substances Control Act (TSCA) calls for the generation and disclosure of information on the toxicity of industrial chemicals. …..
Chemical toxicity testing—and the public policies that require it—can be critical tools in breast cancer prevention, providing a practical basis for reducing potentially harmful exposures
Full report available for download at:
Originally posted by DevolutionEvolvd
That's because carbohydrate restriction and calorie restriction have almost identical effects on metabolism, much like carbohydrate elimination has the same effect as starving...only without the death part.
Originally posted by Night Star
And what about all the women who ate healthy and exercised and got breast cancer anyway?????
Originally posted by StrangeBrew
Eliminating carbohydrates will ensure of that. We require them to survive, unlike dietary protein which we do NOT require whatsoever.
An essential amino acid or indispensable amino acid is an amino acid that cannot be synthesized de novo by the organism (usually referring to humans), and therefore must be supplied in the diet.
The amino acids regarded as essential for humans are phenylalanine, valine, threonine, tryptophan, isoleucine, methionine, leucine, lysine, and histidine.
Why is the term “carbohydrate” so convoluted? Nowhere did I see mention of a simple carb found in fruit versus a complex carb found in say, bread. If you don’t distinguish between the two then you will be forever lost in the field of dreams with all the other intellectuals that don’t have a clue about the health of the human body.
DevolutionEvolvd I’ve watched you over the years wade through this “nutrition mess”. I want you to know that I completely respect your efforts, research, study and certainly dedication to finding answers. Few people I’ve seen have put forth more than yourself and I doubt many have spent even a fraction of the time however I think you need to step back and re-evaluate.
A [low-carbohydrate ketogenic diet] has a significant beneficial effect in ameliorating the diabetic state and helping to stabilize hyperglycemia. [in rats]
The HPLC diet is a safe and effective option for medically supervised weight loss in severely obese adolescents.