Previous research has shown that many overweight individuals are prone to weight gain after dieting. Researchers compared normal-weight people undergoing intentional weight loss to determine if they gained it back. Weight regain was found in 8 out of 10 studies. Weight loss without regain is possible if you follow a well-balanced diet and resistance exercise program that preserves muscle mass.


HOW TO LOSE WEIGHT AND KEEP IT OFF! SUMMARY

  • Know how to lose weight and keeping it off is a problem millions of Americans face.
  • Previous research has shown that many overweight individuals are prone to weight gain after dieting. Researchers compared normal-weight people undergoing intentional weight loss to determine if they gained it back.

  • Weight regain was found in 8 out of 10 studies.

  • Weight loss without regain is possible if you follow a well-balanced diet and resistance exercise program that preserves muscle mass.


 

WEIGHT GAIN AFTER WEIGHT LOSS

The prevalence of obesity varies substantially across countries, with Vietnam being as low as 2.1% to as high as 61% in the South Pacific nation of Nauru. The prevalence of obesity in the United States is 36.2%, in Canada, 29.4%, and 27.8% in the United Kingdom. Obesity is associated with comorbidities such as heart disease, high blood pressure, and elevated blood sugar levels contributing to diabetes.

Current guidelines for the management of obesity include diet modification (e.g., reduced calories and portion sizes, more fruits and vegetables, healthy fats, etc.), increased physical fitness, behavioral modification (e.g., cognitive behavioral therapy), pharmacotherapy, or a combination of these.

Many people are flocking to doctors to get their hands on the weight loss drug Ozempic for weight loss.  However, discontinuation of the drug is associated with weight regain. Long-term weight loss maintenance requires healthy eating plans that include a balance of all food groups. Diet plans should be flexible, encouraging a reduced-calorie meal plan with a variety of healthy foods.

HOW TO LOSE WEIGHT & MAINTAIN YOUR WEIGHT AFTER WEIGHT LOSS

The most widely suggested weight loss plan is a weekly reduced 500-calorie reduction daily.  A widely spread misconception is that less than 5 percent of dieters succeed; however, this depends on the time frame. In a study in the Medical Clinics of North America, more than half of all dieters lost weight and gained it back within 2 years. By year 5, more than 80% of all weight lost is regained. (Hall & Kahan, 2018)

Thus, there is a high percentage of dieters who regain weight back. The goal of weight loss is to maintain weight loss for a lifetime.  Characteristics of successful weight loss are they exercise regularly, maintain healthy eating habits, and track calories (i.e., track calories to maintain weight calculator)

The National Weight Control Registry (NWCR) is the largest prospective investigation of long-term successful weight loss maintenance.  There is a variety of ways in which successful dieters keep the weight off. Most report maintaining a low-calorie, low-fat diet and having high activity levels. Here are some characteristics of successful dieters reported by the NWCR:

  •      78% eat breakfast every day.
  •       75% weigh themselves at least once a week.
  •       62% watch less than 10 hours of TV per week.
  •       90% exercise, on average, about 1 hour per day.

Guidelines to Lose Weight

The current guideline also stresses that weight loss needs to be maintained for long-term health benefits. (Wharton et al., 2020) Yo-Yo dieting and fluctuation in body weight have been linked to cardiovascular stress and increased death rates. (Montani et al., 2015; Oh et al., 2019)

How often have you heard or seen someone who went on a diet and gained the weight back? In 1980, a book called “Dieting Makes You Fatter” discussed the psychological and physiological consequences of prolonged low-calorie diets. Losing weight is hard, but keeping it off is even harder. Athletes that compete in sports with periods of vigorous weight loss (i.e., boxing, wrestling, weight lifting) have greater weight regain and body fat than other sports without weight cycling or the general population. (Saarni et al., 2006)

Another interesting study on 2,000 twins compared one twin dieting to the other twin not dieting.  The twin that intentionally lost weight were nearly two to three times more likely to become overweight than their non-dieting twin counterpart. This suggests that dieting can contribute to weight loss independent of genetic factors. (Pietiläinen et al., 2012)

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COLLATERAL FATTENING AFTER DIETING

There are several theories on why weight loss can predispose a person to weight regain.  MacLean suggests the “nutrient clearance” theory, which suggests that losing adipose tissue results in increased appetite and enhanced storage of adipose tissue (i.e., collateral fattening), resulting in fat cells gradually increasing in size and capacity to reach a critical threshold.  Once that threshold is reached, weight gain is diminished. (MacLean et al., 2015)

MacLean et al. stated, “weight loss awakens the body’s defense system in a manner that is persistent, saturated with redundancies, and well-focused on the objective of restoring the body’s depleted energy reserves. Successful, long-term weight loss requires recognition of the strength and persistence of these biological pressures and a better understanding of how they may be countered with environmental, behavioral, pharmaceutical, or other interventions.” (MacLean et al., 2015)

DOES FREQUENT DIETING MAKE YOU FATTER? HOW TO LOSE WEIGHT AND KEEP IT OFF

In a simple analogy, after intense exercise, glycogen stores are depleted, and there is an enhanced capacity to store carbohydrates as glycogen. This is similar to fat loss. Once fat cells shrink, there is an enhanced capacity to restore the fat cells to their normal size.

To reduce the growing obesity epidemic, scientists are looking for the best ways to maintain weight loss after a low-calorie diet. Given the fact that so many people gain weight after dieting, a recent study published in the British Journal of Nutrition titled “Is dieting a risk for higher weight gain in normal-weight individual? A systematic review and meta-analysis” examines the research.

The researchers tried to unravel some controversies regarding weight regain after dieting.  For example, people with higher body fat tend to have repeated diet attempts and lower dietary adherence. A previous study found that those with the highest body fat had a higher diet history than those with lower body fat. (Anastasiou et al., 2010) Thus, these dieters have a vicious cycle of trying to lose weight and gaining it back.

The researchers examined studies in which subjects were placed on a diet but were of normal weight (i.e., normal BMI).  They ended up including 18 studies. The researchers found that eight of the ten observational studies showed a relationship between dieting and major weight gain. The results showed that ‘dieters’ have a higher body weight than ‘non-dieters.’

ozempic for weight loss calories to maintain weight calculator how to lose weight and keep it off 3500 calorie meal plan less than 5 percent of dieter succeed weight gain after weight loss how to maintain weight loss after low calorie diet losing wei

The researchers found that eight of the ten observational studies showed a relationship between dieting and major weight gain. The results showed that ‘dieters’ have a higher body weight than ‘non-dieters.’

HOW TO LOSE WEIGHT AND KEEP IT OFF

There are a few things that are associated with weight regain. 1.) Fat mass loss is correlated with weight regain and appetite. 2.) The loss of lean muscle mass is another factor driving weight rebound.(Dulloo et al., 2018)  If you have ever seen a bodybuilder competing in a show, after he/she resumed previous calories, the increases in body fat accumulate faster than the increases in muscle mass.  Because body fat increases occur faster than muscle, many people tend to gain more body fat during this process than when they started.

There are many diets to choose from, such as a Mediterranean diet, low-carb diet, dash diet, etc. They say the best diet for long-term weight loss is the one you can adhere to. Trying a diet you know is incompatible with your lifestyle will likely revert to your old dietary habits, increasing calories.  The best way to preserve muscle mass is not to lose it in the first place.

Resistance exercise combined with high protein diets is the best way to preserve muscle mass while dieting. Despite the findings of this new research study, dieters do not have to regain weight if they don’t lose an excessive amount of muscle mass while dieting. (Cava et al., 2017)

REFERENCES

Anastasiou, C. A., Yannakoulia, M., Pirogianni, V., Rapti, G., Sidossis, L. S., & Kavouras, S. A. (2010). Fitness and weight cycling in relation to body fat and insulin sensitivity in normal-weight young women. J Am Diet Assoc, 110(2), 280-284. https://doi.org/10.1016/j.jada.2009.10.040

Cava, E., Yeat, N. C., & Mittendorfer, B. (2017). Preserving Healthy Muscle during Weight Loss. Advances in nutrition (Bethesda, Md.), 8(3), 511-519. https://doi.org/10.3945/an.116.014506

Dulloo, A. G., Miles-Chan, J. L., & Schutz, Y. (2018). Collateral fattening in body composition autoregulation: its determinants and significance for obesity predisposition. Eur J Clin Nutr, 72(5), 657-664. https://doi.org/10.1038/s41430-018-0138-6

Hall, K. D., & Kahan, S. (2018). Maintenance of Lost Weight and Long-Term Management of Obesity. The Medical clinics of North America, 102(1), 183-197. https://doi.org/10.1016/j.mcna.2017.08.012

REFERENCES

MacLean, P. S., Higgins, J. A., Giles, E. D., Sherk, V. D., & Jackman, M. R. (2015). The role for adipose tissue in weight regain after weight loss. Obes Rev, 16 Suppl 1(Suppl 1), 45-54. https://doi.org/10.1111/obr.12255

Montani, J. P., Schutz, Y., & Dulloo, A. G. (2015). Dieting and weight cycling as risk factors for cardiometabolic diseases: who is really at risk? Obes Rev, 16 Suppl 1, 7-18. https://doi.org/10.1111/obr.12251

Oh, T. J., Moon, J. H., Choi, S. H., Lim, S., Park, K. S., Cho, N. H., & Jang, H. C. (2019). Body-Weight Fluctuation and Incident Diabetes Mellitus, Cardiovascular Disease, and Mortality: A 16-Year Prospective Cohort Study. J Clin Endocrinol Metab, 104(3), 639-646. https://doi.org/10.1210/jc.2018-01239

Pietiläinen, K. H., Saarni, S. E., Kaprio, J., & Rissanen, A. (2012). Does dieting make you fat? A twin study. Int J Obes (Lond), 36(3), 456-464. https://doi.org/10.1038/ijo.2011.160

Saarni, S. E., Rissanen, A., Sarna, S., Koskenvuo, M., & Kaprio, J. (2006). Weight cycling of athletes and subsequent weight gain in middleage. Int J Obes (Lond), 30(11), 1639-1644. https://doi.org/10.1038/sj.ijo.0803325

Wharton, S., Lau, D. C. W., Vallis, M., Sharma, A. M., Biertho, L., Campbell-Scherer, D., Adamo, K., Alberga, A., Bell, R., Boulé, N., Boyling, E., Brown, J., Calam, B., Clarke, C., Crowshoe, L., Divalentino, D., Forhan, M., Freedhoff, Y., Gagner, M., . . . Wicklum, S. (2020). Obesity in adults: a clinical practice guideline. Cmaj, 192(31), E875-e891. https://doi.org/10.1503/cmaj.191707

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