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News in brief June 30th 2014

A retrospective cohort study to evaluate the impact of meaningful weight loss on fertility outcomes in an overweight population with infertility. Kort JD, Winget C, Kim SH, Lathi RB. Fertil Steril. 2014 May;101(5):1400-3.

 

Overweight women suffering from infertility who managed to lose at least 10% of their weight improved their chances of becoming pregnant (88% versus 54% in the case of those who lost no weight) and giving birth to a child (71% versus 37%). Healthcare professionals should therefore have no hesitation in recommending weight loss to overweight women wanting to have children.

 

Effects of whole and refined grains in a weight-loss diet on markers of metabolic syndrome in individuals with increased waist circumference: a randomized controlled-feeding trial. Harris Jackson K, West SG, Vanden Heuvel JP, Jonnalagadda SS, Ross AB, Hill AM, Grieger JA, Lemieux SK, Kris-Etherton PM. Am J Clin Nutr. 2014 Jun 18

 

Replacing refined grains by whole grains in a weight-loss diet does not enhance the loss of abdominal fat but normalizes the blood glucose levels, especially in subjects with pre-diabetic symptoms. 

 

 

Weight loss strategies: association with consumption of sugary beverages, snacks and values about food purchases. Bleich SN, Wolfson JA. Patient Educ Couns. 2014 Jul;96(1):128-34.

 

The authors of this American study observed that people attempting to lose weight decrease their calorie intake but often fail to reduce their consumption of sweet drinks (250 calories), salty snacks (225 calories) and sweet snacks (350 calories). By eliminating these superfluous calories, they could greatly reduce their energy consumption and thus lose weight, especially in the case of obese subjects, who have to take more drastic steps in order to lose weight.

 

The relationship between obesity and coronary artery disease. Jahangir E, De Schutter A, Lavie CJ. Transl Res. 2014 Mar 22.

 

Obesity is associated with several risk factors contributing to coronary heart disease (hypertension, diabetes, metabolic syndrome and dyslipidemia). Paradoxically, although obesity does not seem to increase the mortality in patients with coronary artery disease, these patients should nevertheless be encouraged to lose weight and practise physical exercise in order to improve their blood pressure, triglyceride levels and insulin sensitivity, and thus to decrease the prevalence of metabolic syndrome and diabetes.

 

 

 

Appetite control and biomarkers of satiety with vegetarian (soy) and meat-based high-protein diets for weight loss in obese men: a randomized crossover trial

Neacsu M, Fyfe C, Horgan G, Johnstone AM. Am J Clin Nutr. 2014 Jun 18.

 

In this study on 20 obese men, a diet based mainly on plant protein (soya) resulted in a similar weight loss to that obtained with a diet based mainly on animal protein (meat) diet. Both diets were associated with similar sensations of hunger, satiety, craving for food, lean mass maintenance and fat mass loss. The vegetarian diet was therefore as effective as a meat-based diet.

 

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