Effektivare viktnedgång med ett större energiintag tidigt på dagen

Detta är en Kandidat-uppsats från Göteborgs universitet/Institutionen för medicin

Sammanfattning: Title: Effective weight loss with a larger energy intake early in the dayAuthor: Nadia Andersson & Terese TorstenssonSupervisor: Heléne Bertéus ForslundExaminer: Frode SlindeProgramme: Programme in dietetics, 180/240 ECTSType of paper: Bachelor’s thesis in clinical nutrition, 15 higher education creditsDate: May 23, 2018Background: Today overweight and obesity is one of the most serious public health issues in the world. The main cause of obesity and overweight is an energy intake that exceeds the energy consumption. A high BMI is related to an increased risk of many sequelae and mortality. Obesity is a disease difficult to treat where the treatment result is rarely lasting. Today’s nutrition treatment isfocused on the amount of calories and food composition. Science has shown a connection betweenthe meal time and obesity.Objective: To review and compile existing scientific research of whether the time of the day’slargest energy intake affects weight loss in adults with overweight or obesity.Search strategy: A literature study was performed by searching the scientific databases Pubmedand Scopus. The used search terms were: Overweight, Obese, Obesity, “Meal time”, “Meal timing”,Time, Meal, Late, Early, Breakfast, Lunch, Dinner, and Weight loss .Selection criteria: Only randomized controlled trials on adults with overweight or obesity wereincluded. The intervention was supposed to evaluate two weight loss diets where the majority ofthe energy intake was ingested early or late in the day. The selection was restricted to studiespublished in Swedish or English.Data collection and analysis: The papers found in the literature study were systematicallyreviewed by title, abstract and full text. Three articles fulfilled the requirements to be included andwere examined according to the template “Quality control of randomized controlled trials” by SBU. All assessments were united to a common evidence grading through “Basis for united assessment according to GRADE”.Main results: All the studies indicated a weight loss both in the intervention group and the control group. The intervention group showed a greater weight loss in all three studies, however it was only significant in two of them.Conclusions: There is a moderate (+++) scientific evidence that eating the largest amount of the daily energy to breakfast or lunch will give a greater weight loss after a hypocaloric diet in adult women with overweight or obesity.Keywords: Overweight, obese, obesity, weight loss, meal timing, energy distribution

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