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1.
Rev. chil. nutr ; 49(1)feb. 2022.
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1388580

RESUMO

RESUMEN Introducción: A través del reloj central y de los relojes periféricos que se encuentran en un organismo, se regula el ritmo circadiano (RC), el cual interviene en las funciones metabólicas y endocrinas. La "crononutrición" explica la importancia del tiempo y los tipos de alimentación sobre nuestro RC. La obesidad es uno de los mayores problemas de salud pública. Objetivo: Describir la relación que existe entre la crononutrición y la obesidad. Métodos: Revisión sistemática; búsqueda en PubMed, Cochrane Library, Scielo y Medline, entre los años 2014 a 2019, sólo en humanos. Se obtuvieron 19 artículos y de ellos sólo 4 artículos cumplieron con los criterios de inclusión. Resultados: Se observó que valores de Índice de Masa Corporal (IMC) y circunferencia de cintura (CC) eran mayores en personas que no desayunaban y que cenaban con menos de 3 hrs antes de dormir. Se obtuvo que en niños de 4 años con ingestas energética mayores en almuerzo y cena, presentaban mayor probabilidad de sobrepeso u obesidad a los 7 años y además, no desayunar y cenar tardíamente se asoció negativamente con el peso corporal. En otro estudio, se observó que los adolescentes que realizaban sus comidas principales en horarios tardíos, hubo una asociación con el aumento en el IMC y CC. En sujetos con peso normal, independiente de si comían con tendencia hacia la mañana o la noche, pero presentaban una sincronía en su RC, no sufrían mayores alteraciones en su peso, lo cual no sucedió en sujetos con exceso de peso. Conclusiones: Una alimentación no sincronizada con el RC, puede aumentar la probabilidad de desarrollar obesidad en el mediano y largo plazo. Sin embargo, aún se necesita mayor evidencia.


Abstract Introduction: The circadian rhythm is responsible for regulating important metabolic and endocrine functions. "Chrononutrition" explains the importance of time and types of food based on circadian rhythm. Obesity is one of the biggest public health problems. Objective: To describe the relation between chrono-nutrition and obesity. Methods: A systematic review was performed using PubMed, Scielo and Medline databases of articles published between 2014 to 2019 in humans. Nineteen articles were obtained and four articles met inclusion criteria. Results: Higher Body Mass Index (BMI) and weight circumference (WC) values were observed in people who skipped breakfast and ate less than 3 hours before bed. Children 4 years of age with higher energy intakes at lunch and dinner were more likely to be overweight or obese at 7 years. Skipping breakfast and eating dinner later was negatively associated with body weight. Among adolescents, eating main meals late was associated with an increase in BMI and WC. In normal weight subjects, regardless of whether they ate early or late, if eating was aligned with their circadian rhythm, they did not suffer major changes in weight. This was not the case for subjects with excess weight. Conclusions: A diet not aligned with the circadian rhythm, may increase the probability of generating obesity in the medium and long term. However, evidence is still needed.

2.
Journal of Rural Medicine ; 2014.
Artigo em Inglês | WPRIM | ID: wpr-379178

RESUMO

<i>Objectives:</i> Despite the fact that the total energy intake of Japanese people has decreased, the percentage of obese people has increased.This suggests that the timing of meals is related to obesity. <br>The purpose of the study was to investigate the relationship between the timing of meals and obesity, based on analyses of physical measurements, serum biochemical markers, nutrient intake, and lifestyle factors in the context of Chrononutrition.<br><i>Participants and Methods:</i> We analyzed data derived from 766 residents of Toon City (286 males and 480 females) aged 30 to 79 years who underwent detailed medical examinations between 2011 and 2013. These medical examinations included. (1) physical measurements (waist circumference, blood pressure, etc.); (2) serum biochemical markers (total cholesterol, etc.); (3) a detailed questionnaire concerning lifestyle factors such as family structure and daily habits (22 issues), exercise and eating habits (28 issues), alcohol intake and smoking habits; (4) a food frequency questionnaire based on food groups (FFQg);and (5) a questionnaire concerning the times at which meals and snacks are consumed.<br><i>Results:</i> The values for body mass index (BMI) and waist circumference were higher for participants who ate dinner less than three hours before bedtime (<3-h group) than those who ate more than three hours before bedtime (>3-h group). The Chi-square test showed that there was a significant difference in eating habits, e.g., eating snacks, eating snacks at night, having dinner after 8 p.m., and having dinner after 9 p.m., between the <3-h group and the >3-h group. <br>Multiple linear regression analysis showed that skipping breakfast significantly influenced both waist circumference (β = 5.271) and BMI (β = 1.440) and that eating dinner <3-h before going to bed only influenced BMI (β = 0.581).<br><i>Conclusion:</i> Skipping breakfast had a greater influence on both waist circumference and BMI than eating dinner <3-h before going to bed.

3.
Journal of Rural Medicine ; : 51-58, 2014.
Artigo em Inglês | WPRIM | ID: wpr-375791

RESUMO

<b>Objective:</b> Despite the fact that the total energy intake of Japanese peoplehas decreased, the percentage of obese people has increased. This suggests that the timingof meals is related to obesity. The purpose of the study was to investigate therelationship between the timing of meals and obesity, based on analyses of physicalmeasurements, serum biochemical markers, nutrient intake, and lifestyle factors in thecontext of Chrononutrition.<br><b>Participants and Methods:</b> We analyzed data derived from 766 residents ofToon City (286 males and 480 females) aged 30 to 79 years who underwent detailed medicalexaminations between 2011 and 2013. These medical examinations included. (1) physicalmeasurements (waist circumference, blood pressure, etc.); (2) serum biochemical markers(total cholesterol, etc.); (3) a detailed questionnaire concerning lifestyle factors suchas family structure and daily habits (22 issues), exercise and eating habits (28 issues),alcohol intake and smoking habits; (4) a food frequency questionnaire based on food groups(FFQg); and (5) a questionnaire concerning the times at which meals and snacks areconsumed.<br><b>Results:</b> The values for body mass index (BMI) and waist circumference werehigher for participants who ate dinner less than three hours before bedtime (<3-hgroup) than those who ate more than three hours before bedtime (>3-h group). TheChi-square test showed that there was a significant difference in eating habits, e.g.,eating snacks, eating snacks at night, having dinner after 8 p.m., and having dinner after9 p.m., between the <3-h group and the >3-h group. Multiple linear regressionanalysis showed that skipping breakfast significantly influenced both waist circumference(β = 5.271) and BMI (β = 1.440) and that eating dinner <3-h before going to bed onlyinfluenced BMI (β = 0.581).<br><b>Conclusion:</b> Skipping breakfast had a greater influence on both waistcircumference and BMI than eating dinner <3-h before going to bed.

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