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Open research questions in Consumer Attitudes and Food Labeling

304 unresolved questions extracted from the limitations and future-work sections of 2,284 Consumer Attitudes and Food Labeling papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Analyzing online information quality in other countries, - Evaluating the impact of online information on consumer behavior, - Investigating the effectiveness of different tools for evaluating online information quality, - Comparing the quality of online information across different health topics

    American, British, and Italian Online Information on the Health Risks Associated With Eating Meat: Cross-Sectional Study · 2026 · DOI

  • There are no studies in the existing literature that specifically analyze the quality of information available on the internet regarding the health risks associated with meat consumption while comparing results across 3 different countries.

    American, British, and Italian Online Information on the Health Risks Associated With Eating Meat: Cross-Sectional Study · 2026 · DOI

  • longitudinal neuro-imaging with objective dietary metrics should be prioritised to confirm causality and pinpoint sensitive windows, - policy levers that curb UPF availability, require unambiguous front-of-pack labelling, and stimulate reformulation are urgently needed

    The consequences of ultra-processed foods on brain development during prenatal, adolescent and adult stages · 2025 · DOI

  • The effects of ultra-processed foods on brain development during critical periods of biological vulnerability remain underexplored. There is a need to examine the various factors that have driven the widespread consumption of ultra-processed foods in recent decades.

    The consequences of ultra-processed foods on brain development during prenatal, adolescent and adult stages · 2025 · DOI

  • Further studies, including intervention trials, are essential to clarify the relationship between UPF intake and health outcomes

    Ultra-processed food intake and its association with obesity risk factors, Mediterranean diet, and nutrient intake of adults · 2025 · DOI

  • The lack of standardization in portion size recommendations across different food-based dietary guidelines. The difficulty in comparing portion size recommendations across different regions and methodologies. The need to convert portion size recommendations from different units to a standard unit, such as grams.

    A comparison of development methods used to define portion sizes in food-based dietary guidelines around the world · 2025 · DOI

  • Further studies are needed to confirm these findings and develop effective strategies to promote healthy food choices. Studies should investigate the relationship between UPF consumption and QoL in different populations, such as men or individuals with different BMI ranges. Research should focus on developing effective interventions to reduce UPF consumption and improve QoL.

    Ultra-processed food consumption and quality of life: a cross-sectional study in Iranian women · 2024 · DOI

  • The relationship between UPFs and quality of life is not well understood. There is a lack of studies investigating the association between UPF intake and quality of life in Iranian women.

    Ultra-processed food consumption and quality of life: a cross-sectional study in Iranian women · 2024 · DOI

  • The extent to which additional factors influence consumer behavior towards healthy food consumption remains unclear. There is a need to understand consumer behavior in the context of healthy and sustainable food choices, particularly in emerging markets.

    Factors influencing healthy product consumer behavior: an integrated model of purchase intention · 2025 · DOI

  • The relationship between ultra-processed food consumption and obesity indicators is not well understood in the Saudi population. There is a need to explore this relationship to inform public health policies and interventions.

    Ultra-processed food intake and its association with obesity risk factors, Mediterranean diet, and nutrient intake of adults · 2025 · DOI

  • There is no consensus on best practices for formulating food-based dietary guidelines. The influence of methodology and geographical location on recommended portion sizes is not well understood.

    A comparison of development methods used to define portion sizes in food-based dietary guidelines around the world · 2025 · DOI

  • BACKGROUND AND OBJECTIVES: Consumption of ultraprocessed foods (UPFs) has been associated with a higher risk of various chronic diseases, but its relation to prodromal Parkinson disease (PD) remains unclear.

    Long-Term Consumption of Ultraprocessed Foods and Prodromal Features of Parkinson Disease · 2025 · DOI

  • Critics cite a lack of consensus on the validity of associating the term addiction with food, claiming that characteristics of addiction 'are not observed in the context of eating behaviors' as a reason to dispute its consideration as a novel diagnosis.

    Toward consensus: using the Delphi method to form an international expert consensus statement on ultra-processed food addiction · 2025 · DOI

  • Although the pathophysiology of IBD remains incompletely understood, it involves complex interactions between genetic predisposition and environmental triggers, such as gut microbiota imbalances and immune dysfunction, leading to chronic inflammation and mucosal injury.

    Ultra-Processed Foods, Gut Microbiota, and Inflammatory Bowel Disease: A Critical Review of Emerging Evidence · 2025 · DOI

  • IL-6 was predominantly higher with greater UPF intake; TNF-α likewise tended to be higher with UPF across several settings; IL-1β showed no association; MCP-1 and PAI-1 provided limited, inconsistent signals; leptin results were mixed.

    Ultra-Processed Food Consumption and Systemic Inflammatory Biomarkers: A Scoping Review · 2025 · DOI

  • For other biomarkers, IL-6 generally did not vary with UPF, TNF-α and IL-1β showed no association across studies, and the two IL-8 analyses yielded mixed results.

    Ultra-Processed Food Consumption and Systemic Inflammatory Biomarkers: A Scoping Review · 2025 · DOI

  • Despite their widespread use, the long-term health implications of synthetic preservatives remain inadequately understood.

    Food Preservatives and the Rising Tide of Early-Onset Colorectal Cancer: Mechanisms, Controversies, and Emerging Innovations · 2025 · DOI

  • Government regulation to protect these vulnerable populations from the negative effects of this marketing is warranted.

    Child and adolescent exposure to unhealthy food marketing across digital platforms in Canada · 2024 · DOI

  • In India, there are no standard criteria for identifying UPFs using a classification system based on extent and purpose of industrial processing.

    Mapping ultra-processed foods (UPFs) in India: a formative research study · 2024 · DOI

  • The impact of food processing on drug absorption, metabolism, and subsequent pharmacological activity is a pressing yet insufficiently explored area of research.

    Possible interactions between selected food processing and medications · 2024 · DOI

  • In order to average 300 mg or less of cholesterol per day, egg yolks must be limited to approximately two per week.

    Developing a food guidance system to implement the dietary guidelines · 1987 · DOI

  • Future research should examine the causal relationships between ultra-processed foods and mental health outcomes. Studies should report system boundaries transparently, present results with and without energy adjustment, and decompose impacts across farm and post-farm stages.

    Ultra processed foods at the planetary nutrition nexus with implications for mental health environmental footprints and policy levers · 2026 · DOI

  • The paper identifies a gap in the existing literature on the relationship between ultra-processed foods and mental health, environmental footprints, and policy levers. The study notes that the environmental impacts of diets are often summarized using indicators such as greenhouse gas emissions, land use, and water use, but that these indicators may not fully capture the impacts of ultra-processed foods.

    Ultra processed foods at the planetary nutrition nexus with implications for mental health environmental footprints and policy levers · 2026 · DOI

  • The intention-behavior relationship is not always clear-cut. There is a need for successful counter-interventions to influence people's intentions to change.

    Promoting healthier food purchases via social media: the role of polls and their visual features · 2026 · DOI

  • The lack of comprehensive studies on optimizing nursing home menus. The need for a tool to optimize menus without altering existing meals or food service routines.

    Optimizing nursing home menus in Norway from a sustainability and nutritional perspective · 2026 · DOI

Most-cited papers in Consumer Attitudes and Food Labeling

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304 open questions have been extracted from the limitations and future-work passages of 2,284 Consumer Attitudes and Food Labeling papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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