Diets for maintaining weight loss

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For obese people, maintaining weight loss is often more difficult than the initial weight reduction effort. Typically, only half of all people who successfully lose at least 5 kg will maintain that weight loss for one year, and only about one in 10 will maintain it for five years.

This study, conducted at the Copenhagen Royal Veterinary and Agricultural University, compared two weight maintenance diets — an ad libitum (ad lib), low fat, high carbohydrate diet or a fixed energy intake diet — in people who had lost a substantial amount of weight in either a conventional or a rapid weight loss diet program. A total of 43 subjects (41 women) participated in the weight maintenance programs, which involved reinforcement sessions two to three times monthly and lasted for one year. The subjects were contacted for follow-up a year later.

At the end of the one-year weight maintenance program, the ad lib, low fat group had maintained 13.2 kg of their initial weight loss of 13.5 kg, and the fixed energy intake group had maintained 9.7 kg of their initial 13.8 kg weight loss. At follow-up, regained weight was greater in the fixed energy intake group than in the ad lib, low fat group. At this time, 65% of the ad lib group and 40% of the fixed energy group had maintained a weight loss of more than 5 kg.These data indicate that an ad lib, low fat, high carbohydrate diet is superior to a fixed energy intake diet in maintaining a substantial weight loss. The mechanism by which the ad lib, low fat diet prevents relapse may be both by reducing energy intake and by increasing energy expenditure, although the effect on appetite seems to be more important.

Weight Loss for Life - Pamphlet

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Who should lose weight? Health experts generally agree that adults can benefit from weight loss if they are moderately to severely overweight (see weight-for-height chart on page 3). Health experts also agree that adults who are overweight and have weight-related medical problems or a family history of such problems can benefit from weight loss. Some weight-related health problems include diabetes, heart disease, high blood pressure, high cholesterol levels, or high blood sugar levels. Even a small weight loss of 10 to 20 pounds can improve your health, for example by lowering your blood pressure and cholesterol levels. You do not need to lose weight if your weight is within the healthy range on the weight-for-height chart on page 3, you have gained less than 10 pounds since you reached your adult height, and you are otherwise healthy.

HOW WE LOSE WEIGHT

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Your body weight is controlled by the number of calories you eat and the number of calories you use each day. So, to lose weight you need to take in fewer calories than you use. You can do this by becoming more physically active or by eating less. Following a weight-loss program that helps you to become more physically active and decrease the amount of calories that you eat is most likely to lead to successful weight loss. The weight-loss program should also help you keep the weight off by making changes in your physical activity and eating habits that you will be able to follow for the rest of your life.

To lose weight and keep it off, you should be aware of the different types of programs available and the important parts of a good program. Knowing this information should help you select or design a weight-loss program that will work for you. The three types of weight-loss programs include: do-it-yourself programs, non-clinical programs, and clinical programs.* DO-IT-YOURSELF PROGRAMS

Any effort to lose weight by yourself or with a group of like-minded others through support groups, worksite or community-based programs fits in the “do-it yourself” category. Individuals using a do-it-yourself program rely on their own judgment, group support, and products such as diet books for advice (Note: Not all diet books are reliable sources of weight-loss information).

* NON-CLINICAL PROGRAMS

These programs may or may not be commercially operated, such as through a privately-owned, weight-loss chain. They often use books and pamphlets that are prepared by health-care providers. These programs use counselors (who usually are not health-care providers and may or may not have training) to provide services to you. Some programs require participants to use the program’s food or supplements.

* CLINICAL PROGRAMS

This type of program may or may not be commercially owned. Services are provided in a health-care setting, such as a hospital, by licensed health professionals, such as physicians, nurses, dietitians, and/or psychologists. In some clinical programs, a health professional works alone; in others, a group of health professionals works together to provide services to patients. Clinical programs may offer you services such as nutrition education, medical care, behavior change therapy, and physical activity.

Clinical programs may also use other weight-loss methods, such as very low-calorie diets, prescription weight-loss drugs, and surgery, to treat severely overweight patients. These treatments are described below:

* Very low-calorie diets (VLCDs) are commercially prepared formulas that provide no more than 800 calories per order Xenical day and replace all usual food intake. VLCDs help individuals lose weight more quickly than is usually possible with low-calorie diets (see page 8). Because VLCDs can cause side effects, obesity experts recommend that only people who are severely overweight (see weight-for-height chart on page 3) use these diets, and only with proper medical care. A fact sheet on VLCDs is available from the Weight-control Information Network (WIN).

* Prescribed weight-loss drugs should be used only if you are likely to have health problems caused by your weight. You should not use drugs to improve your appearance. Prescribed weight-loss drugs, when combined with a healthy diet and regular physical activity, may help some obese adults lose weight. However, before these medications can be widely recommended, more research is needed to determine their long-term safety and effectiveness. Whatever the results, prescription weight-loss drugs should be used only as part of an overall program that includes long-term changes in your eating and physical activity habits. A fact sheet on prescription medications for the treatment of obesity is available from WIN.

* You may consider gastric surgery to promote weight loss if you are more than 80 pounds overweight. The surgery, sometimes called bariatric surgery, causes weight loss in one of two ways: 1) by limiting the amount of food your stomach can hold by closing off or removing parts of the stomach or 2) by causing food to be poorly digested by bypassing the stomach or part of the intestines. After surgery, patients usually lose weight quickly. While some weight is often regained, many patients are successful in keeping off most of their weight. In some cases, the surgery can lead to problems that require follow-up operations. Surgery may also reduce the amount of vitamins and minerals in your body and cause gallstones. For additional information, a fact sheet on gastric surgery is available from WIN. If you are considering a weight-loss program and you have medical problems, or if you are severely overweight, programs run by trained health professionals may be best for you. These professionals are more likely to monitor you for possible side effects of weight loss and to talk to your doctor when necessary.

Weight loss

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Dieting? Then make sure you pay attention to the actual amount you’re eating, not the amount you think you’re chowing down. Most people are bad at estimating the actual amount they eat during any given meal, says Brian Wansink, Ph.D., author of a recent study from the University of Illinois. When Wansink and his researchers rigged up some self-filling soup bowls, they found that men who could see the level of their soup bowl going down are up to 40% less than guys whose bowls were always full.

While average weight losses produced with behavioral techniques have increased by ~75% over the past 20 years, similar improvements in the maintenance of weight loss have not been realized. Significant amounts of energy are being targeted toward improving the long-term maintenance of weight loss. It seems that novel approaches are needed to keep subjects engaged and involved in interventions over a longer period of time. The use of the Internet may provide an option for reducing the patient burden associated with perpetual clinic visits. There is currently limited evidence that computer-based technologies can be used to support behavior change efforts. This is particularly true for obesity treatment.

A recent investigation set out to test a novel approach to sustaining long-term contact with individuals after participation in a structured behavioral weight loss program. Two hundred and fifty-five (209 women and 46 men) overweight and obese adults were recruited through newspaper advertisements for participation in the study. Criteria for participation included age over 18, BMI greater than or equal to 25 kg/[m.sup.2], and a computer with adequate memory and connection speed. All subjects participated in an identical 6-month behavioral weight control intervention conducted over interactive television (ITV). Following weight loss, subjects were randomly assigned to one of three weight maintenance conditions: 1) Internet support (IS); 2) frequent in-person support (F-IPS); 3) minimal in-person support (M-IPS). All subjects were seen for assessment measures at baseline and at 6 months, 12 months, and 18 months. Main outcome measures included body weight, program adherence, and social influence components.

There were no significant differences among the groups in weight loss (mean [+ or -] SD) from baseline to 18 months (7.6 kg [+ or -] 7.3 kg vs. 5.5 kg [+ or -] 8.9 kg vs. 5.1 kg [+ or -] 6.5 kg, p=0.23 for the IS, M-IPS, and F-IPS, respectively).

Participants assigned to an Internet-based weight maintenance program managed similar weight loss over 18 months when compared with face-to-face counseling. It appears that Internet-based support is a viable means for promoting long-term weight maintenance.

J. Harvey-Berino, S. Pintauro, P. Buzzell. Effect of internet support on the long-term maintenance of weight loss. Obesity Research 12:320-329 (February, 2004) [Correspondence: Jean Harvey-Berino, University of Vermont, Department of Nutrition and Food Sciences, 304 Terrill Hall, Burlington, VT 05405-0148. E-mail: Jean. Harvey-Berino@uvm.edu]

Weight loss goals in obesity

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Theoretically, the goal of obesity treatment is to reduce body weight to normal. However, unsatisfactory results have prompted a change in the final outcome from large weight loss to moderate weight loss and control of obesity related risk factors, that is, hypertension, dyslipidemia and diabetes. Studies have shown that the morbidity related to these risk factors is significantly decreased by a 5% to 10% weight reduction, even if patients remain in the obesity range.

When goals are not reached or the progress toward them is unsatisfactory, people have impaired performance and often tend to abandon their attempt to achieve the unreachable goals. To improve the understanding of the weight loss expectations of obese subjects and of the factors that influence them, some Italian researchers analyzed the data of a large observational study that was recently established in Italy for a comprehensive measurement of health-related quality of life, psychological distress, and eating behavior in obese patients.

A total of 1891 obese patients seeking treatment in 25 Italian medical centers were included in this study. Buy Xenical Cheap ,Diet and weight history, weight loss expectations and primary motivation for seeking treatment (health or improved appearance) were recorded via a detailed case report and a set of questionnaires. Psychiatric distress, binge eating, and body image dissatisfaction were tested by self-administered questionnaires (Symptom CheckList-90, Binge Eating Scale and Body Uneasiness Test).

In 1011 cases, the one-year expected BMI loss was > 9kg/[m.sup.2], dream BMI was 26 and maximum acceptable BMI was 29.3. The expected one-year BMI loss was significantly related to the maximum BMI loss during previous attempts. Age was also a strong predictor of weight goals. Psychiatric distress, body dissatisfaction and binge eating did not predict weight loss expectations. The primary motivation for weight loss was concern for future (33.4%) or present health (>50%), and only 15.2% wanted to improve appearance. Women seeking treatment to improve appearance had a lower grade of obesity, were younger and had first attempted weight loss at a younger age.This study confirms a large disparity between physicians’ recommendations and patients’ expectations of outcomes in the treatment of obesity, a disparity that might account for the high dropout rate in weight loss. Obese Italian patients had unrealistic weight loss expectations. Some limitations of this study were the findings were restricted to obese subjects seeking treatment in a medical setting and therefore, do not provide information on the large number of obese subjects who do not seek treatment or who seek help in non-medical settings. Future research should evaluate how weight loss expectations may vary across different settings and how unrealistic weight loss expectations may be changed to achievable ones.Buy Xenical Cheap