Maria Laura Louzada

Maria Laura Louzada
University of São Paulo | USP · Department of Nutrition (São Paulo)

Professor

About

104
Publications
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Publications

Publications (104)
Article
Objective: To evaluate the trend of household food acquisition according to the NOVA classification in Brazil between 1987-1988 and 2017-2018. Methods: We used household food acquisition data from five editions of the Pesquisas de Orçamentos Familiares (Household Budget Surveys), conducted by the Instituto Brasileiro de Geografia e Estatística (...
Article
Alimentos regionais são importantes para a cultura e segurança alimentar e nutricional da população, entretanto, não há estudos que descrevam a disponibilidade desses alimentos no Brasil. Portanto, propõe-se descrever a disponibilidade domiciliar de alimentos regionais em 2017-2018 e sua evolução no período de 2002 a 2018. Foram utilizados dados da...
Article
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Objectives: To quantify the impact of temporal changes in the consumption of ultra-processed foods on obesity trends in Brazil between 2002 and 2009. Methods: We analyzed data from two Household Budget Surveys carried out in 2002/2003 (n = 182,333) and 2008/2009 (n = 190,159), which provided information on household food acquisition and individuals...
Article
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The aim of this study was to conduct a literature scope review of the association between the consumption of ultra-processed foods and health outcomes. The search was carried out in the PubMed, Web of Science and LILACS databases. Studies that assessed the association between the consumption of ultra-processed foods, identified on the NOVA classifi...
Article
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OBJECTIVE :To study the association between ultra-processed food consumption and carbon and water footprints of the Brazilian diet. METHODS: Cross-sectional analysis on data collected in 2008–2009 on a probabilistic sample of the Brazilian population aged ≥ 10 years (n = 32,886). Individual food intake was assessed using two 24-hour food records, o...
Article
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To describe the methodology of development of a protocol for application of the Brazilian Dietary Guidelines by primary healthcare professionals in individual dietary advice. A five-step approach was followed: (1) format definition; (2) definition of the instrument for assessment of individuals’ food consumption; (3) Dietary Guidelines’ content ext...
Technical Report
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Según la Organización Mundial de la Salud (OMS), la hipertensión arterial, la hiperglucemia en ayunas, el sobrepeso y la obesidad se encuentran entre los principales factores de riesgo de muerte de la población mundial. Estas alteraciones fueron responsables de 23% de las muertes en el mundo en el 2004 y de 31% de las registradas en las Américas en...
Article
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Studies indicate that eating locations can influence food choices. However, the relationship with ultra-processed foods has been little explored. The objective was to assess the association between eating locations and ultra-processed foods consumption in the UK in 2014-2016. Data from 2,449 individuals aged 4 years or older from the NDNS were anal...
Article
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This study assessed associations between ultraprocessed food consumption and dietary nutrient profile linked to obesity in children and adolescents in Argentina, Australia, Brazil, Chile, Colombia, Mexico, the United Kingdom, and the United States using nationally representative data collected between 2004 and 2014. Linear regression models were us...
Article
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OBJECTIVE: To estimate the carbon footprint of the Brazilian diet and of sociodemographic strata of this population. METHODS: Carbon footprint of the diet was estimated based on data from two 24-hour diet records, obtained in 2008 and 2009, from a probabilistic sample of the Brazilian population aged 10 years and over (n = 34,003) and on environmen...
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Background The consumption of ultra-processed foods has increased worldwide and has been related to the occurrence of obesity and other non-communicable diseases. However, little is known about the environmental effects of ultra-processed foods. We aimed to assess the temporal trends in greenhouse gas emissions (GHGE), water footprint, and ecologic...
Article
Objective To evaluate in postmenopausal women the association between menopause symptom intensity and the quality of life and clinical, anthropometric, and lifestyle factors, focusing on food consumption by degree of processing. Study design A cross-sectional study of 288 postmenopausal women using interviews. Main Outcome Measures The Kupperman-...
Article
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Resumo Foi avaliado o consumo de fibras alimentares no Brasil e sua relação com a ingestão de alimentos ultraprocessados. Foram utilizados dados de consumo alimentar, via registro alimentar de 24 horas, com indivíduos de idade ≥10 anos (n=34.003) oriundos da Pesquisa de Orçamentos Familiares 2008-2009. Os alimentos foram divididos em grupos: in nat...
Article
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Objective: To describe the magnitude of consumption of ultra-processed foods in the adult population (≥ 18 years old) in the capitals of the 27 federative units of Brazil, as well as its association with sociodemographic variables. Methods: Data used in this study stem from participants (n = 52,443) of the 2019 wave of the annual survey of the "...
Article
Objective to assess the association between the consumption of school meals offered by the National School Feeding Program (PNAE, in the Portuguese acronym) and the diet quality of adolescents aged 11 to 19 years from Brazilian public schools Design Cross-sectional Setting Public schools in Brazil Participants A sample of 12,260 adolescents aged...
Article
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Objective The objective of this study was to examine the associations between ultra-processed food consumption and risk of obesity among UK adults. Methods Participants aged 40–69 years at recruitment in the UK Biobank (2006–2019) with dietary intakes collected using 24-h recall and repeated measures of adiposity––body mass index (BMI), waist circ...
Article
This study aimed to verify the association between adherence to meals from the Brazilian National School Feeding Program (PNAE) and obesity indicators among adolescents. Data from 12,373 students attending public schools from the 2015 National Survey of School Health were used. Adherence to school meals was assessed using a self-administered questi...
Article
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Objective: To describe the Nova score for the consumption of ultra-processed foods (UPF) and evaluate its potential in reflecting the dietary share of UPF in Brazil. Methods: This study was conducted in São Paulo with a convenience sample of 300 adults. Using a tablet, participants answered a 3-minute electronic self-report questionnaire on the...
Article
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Resumo O objetivo deste estudo foi descrever o consumo de frutas no Brasil e a associação com a ingestão de alimentos ultraprocessados (UP) em amostra representativa de 32.900 brasileiros da Pesquisa de Orçamentos Familiares 2008-2009. A associação entre a participação calórica (% energia) das frutas na dieta e quintos de consumo de UP foi analisad...
Article
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Cross-sectional nutritional survey data collected in eight countries were used to estimate saturated fatty acid intakes. Our objective was to estimate the proportion of excessive saturated fatty acid intakes (>10 % of total energy intake) that could be avoided if ultra-processed food consumption was reduced to levels observed in the first quintile...
Article
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This study aimed to evaluate the association between eating context patterns and ultra-processed food consumption at two main meal occasions in a representative sample of UK adolescents. Data was acquired from four-day food records of adolescents aged 11–18 years, who participated in the 2014–2016 UK National Diet and Nutrition Survey (n=542). The...
Article
Background Longitudinal studies have shown significant dose–response associations between dietary share of ultraprocessed foods and the incidence of several noncommunicable diseases and all-cause mortality. Several attributes of ultraprocessed foods are potential mechanisms for their link with health outcomes, including their typically unbalanced n...
Article
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Objective Develop and validate a protocol for the use of the Food Guide for the Brazilian Population (FGBP) in the dietary guidelines for elderly people during individual clinic appointments in Primary Health Care (PHC). Methods The elaboration followed six methodological steps, namely: (1) protocol format definition; (2) definition of the instrume...
Article
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Resumo Objetivo Desenvolver e validar um protocolo de uso do Guia Alimentar para a População Brasileira na orientação alimentar da pessoa idosa durante as consultas clínicas individuais na Atenção Primária à Saúde (APS). Métodos Esta construção seguiu seis etapas metodológicas, sendo elas: (1) definição do formato do protocolo; (2) definição do ins...
Presentation
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Background: We aim to assess the trends in the consumption of unprocessed or minimally processed, processed, and ultra-processed animal products, and the environmental impacts associated with them. Methods: We have used data from five Brazilian Household Budget Surveys (1987, 1996, 2003, 2009, 2017). Animal products (beef, pork, poultry, eggs, fis...
Article
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Background Rapid simultaneous increases in ultra-processed food sales and obesity prevalence have been observed worldwide, including in Australia. Consumption of ultra-processed foods by the Australian population was previously shown to be systematically associated with increased risk of intakes of nutrients outside levels recommended for the preve...
Article
Background Ultra-processed foods account for more than 50% of daily calories consumed in several high-income countries, with sales of ultra-processed foods soaring globally, especially in middle-income countries. The objective of this study is to investigate the association between ultra-processed food (UPF) consumption and risk of type 2 diabetes...
Article
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OBJECTIVE To describe the dietary characteristics of participants in the NutriNet Brasil cohort immediately before and during the covid-19 pandemic. METHODS Our data stem from an adult cohort created to prospectively investigate the relationship between diet and morbidity and mortality from chronic non-communicable diseases in Brazil. For this stu...
Article
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Objective To analyze the contribution of ultra-processed foods to the intake of free sugars among different age groups in Australia. Methods Dietary intakes of 12,153 participants from the National Nutrition and Physical Activity Survey (2011–12) aged 2+ years were evaluated. Food items collected through two 24-h recalls were classified according...
Article
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Ultra-processed food consumption has been associated with several health outcomes such as obesity, hypertension, cardiovascular disease and cancer. The deleterious nutrient profile of these products, and the presence of food additives, neoformed contaminants and contact materials such as phthalates and bisphenol may be some of the potential pathway...
Article
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We examined the association between the consumption of ultra-processed foods and adiposity in a nationally representative sample of the UK adult population. We studied 6,143 participants (19 to 96 years, 51.6% female) sampled by the UK National Diet and Nutrition Survey (2008–16). Food items reported in four-day food diary were classified according...
Book
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Download i Portal de Livros abertos da USP http://www.livrosabertos.sibi.usp.br/portaldelivrosUSP/catalog/book/442 This book presents a table with carbon, water and ecological footprints of foods and culinary preparations consumed in Brazil, a tool developed to enable the studies of a thesis named The food and its environmental impacts: approaches...
Article
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Objectives To describe dietary sources of free sugars in different age groups of the UK population considering food groups classified according to the NOVA system and to estimate the proportion of excessive free sugars that could potentially be avoided by reducing consumption of their main sources. Design and setting Cross-sectional data from the...
Article
Objective To describe out-of-home consumption according to the purpose and extent of industrial processing and also evaluate the association between eating out and ultra-processed food consumption, taking account of variance within and between individuals. Design Cross-sectional study. Setting Brazil. Participants The study was based on the Indi...
Article
Ultra-processed foods are industrial formulations requiring little if any preparation before consumption. Their consumption is increasing in many countries and one of the possible determinants is the decrease in home cooking. As parents are key for family meals, we analysed the influence of parents' cooking skills confidence on children's consumpti...
Book
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Publicação disponível para download no Portal de livros abertos da USP. http://www.livrosabertos.sibi.usp.br/portaldelivrosUSP/catalog/book/393 Os vestígios ou rastros de degradação ambiental mensuráveis que marcam a passagem descuidada do ser humano pela Terra são chamados de pegadas. Este livro traz a tabela com as pegadas de carbono, hídrica e...
Article
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This is a report published by the Food and Agriculture Organization of the United Nations. Jose Graziano da Silva, outgoing FAO director-general, says: ‘Glad to see FAO report on NOVA classification and ultra-processed food, by Carlos Monteiro and the NUPENS/USP team [ showing] consistent evidence on how the consumption of ultra-processed food ca...
Article
Ultra-processed food: its nature, cost, reformulation, and global impact. Letter to Cell Metabolism responding to the Hall et al randomised controlled trial. In April Cell Metabolism, a US journal with an impact factor of over 20, published a randomised controlled trial showing that consuming ad libitum diets of ultra-processed foods as defined by...
Article
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Objectives Nutrition during pregnancy is related with many maternal and child outcomes. To investigate the consumption of ultra-processed foods is one of the newest methods to evaluate food consumption, but these studies in pregnant women are rare. Methods We conducted a non-randomized controlled educational intervention on healthy eating and physi...
Article
Background: Lifestyle risk factors (tobacco smoking, alcohol consumption, overweight and obesity, unhealthy diet, and lack of physical activity) have been associated with increased risk of at least 20 types of cancer. We estimated the proportion of cancer cases and deaths that could be potentially avoided by eliminating or reducing lifestyle risk...
Article
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Measured energy content of frequently purchased restaurant meals: multi-country cross sectional study', by Roberts et al¹ conducted in five countries, shows that the energy content of meals served by both fast food and full service restaurants was generally excessive. They conclude that meals consumed in both types of restaurant may contribute to t...
Article
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In Table 3, there were missing values in the Physical activity and Smoking status sections. The correct version of Table 3 is displayed here.
Article
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Background/objectives: To study the association between ultra-processed foods acquisitions and added sugar content of total food purchases in Spanish households in 2010. Changes over time (1990-2000-2010) in ultra-processed food purchases and added sugars content of total food purchases are also compared. Subjects/methods: We used data from thre...
Article
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Objectives To assess the association between consumption of ultra-processed foods and obesity in the Canadian population. Methods Cross-sectional study including 19,363 adults aged 18 years or more from the 2004 Canadian Community Health Survey, cycle 2.2. Ultra-processed food intake was estimated using daily relative energy intake of ultra-proces...
Article
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The BMJ’s introduction to its series on the science and politics of nutrition states: “More articles are planned.” The BMJ should commission a further series with more authors from countries where fresh foods and freshly cooked regular meals are common. This should generate policies and actions that further protect public health as well as culture,...
Article
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A response to the BMJ series Science and politics of nutrition. We suggest that the BMJ follows this series on the science and politics of nutrition with a further co-ordinated series of papers involving more authors from regions and countries whose food systems expressed as freshly prepared regular meals still survive. Nutrition scientists should...
Article
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We described the contribution of ultra-processed foods in the U.K. diet and its association with the overall dietary content of nutrients known to affect the risk of chronic non-communicable diseases (NCDs). Cross-sectional data from the U.K. National Diet and Nutrition Survey (2008–2014) were analysed. Food items collected using a four-day food di...
Article
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OBJECTIVE To characterize the household purchase and the individual consumption of vegetables in Brazil and to analyze their relation with the consumption of ultra-processed foods. METHODS We have used data on the purchase of food for household consumption and individual consumption from the 2008–2009 Brazilian Household Budget Survey. The Brazili...
Article
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Considering the increased contribution of foods consumed outside home and their potential impact on diet, this study aims to identify eating out patterns and their association with nutritional dietary quality in Brazil. We used the Individual Food Intake Survey 2008-2009, conducted with 34,003 individuals aged 10 and up. We used factor analysis by...
Article
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Objective To assess household availability of NOVA food groups in nineteen European countries and to analyse the association between availability of ultra-processed foods and prevalence of obesity. Design Ecological, cross-sectional study. Setting Europe. Subjects Estimates of ultra-processed foods calculated from national household budget surve...
Article
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It is now generally agreed that the impact of the current nature, purpose and extent of food processing on human well-being, health and disease needs to be better understood and explained, in order to improve public health. The special issue of Public Health Nutrition devoted to the concept of ultra-processing of food, and the NOVA classification o...
Conference Paper
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Background and Objective: A rapid simultaneous increase in sales of ultra-processed foods and prevalence of obesity and other diet-related non-communicable chronic diseases (NCDs) has been observed in Latin America over the past decades. Our study describes the consumption of ultra-processed foods and its association with the nutrient profile of di...
Presentation
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Comunicação oral apresentada no X Congresso Brasileiro de Epidemiologia
Article
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Objective To identify the energy contributions of NOVA food groups in the Mexican diet and the associations between individual sociodemographic characteristics and the energy contribution of ultra-processed foods (UPF). Design We classified foods and beverages reported in a 24 h recall according to the NOVA food framework into: (i) unprocessed or...
Article
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Objective To estimate the dietary share of ultra-processed foods and to determine its association with the overall nutritional quality of diets in Brazil. Design Cross-sectional. Setting Brazil. Subjects A representative sample of 32 898 Brazilians aged ≥10 years was studied. Food intake data were collected. We calculated the average dietary con...