Eating Patterns and Nutritional Outcomes

Eating patterns encompass not only what individuals consume but also the frequency, timing and context of intake. Variations in meal frequency—from intermittent fasting and time‐restricted feeding to multiple small meals—interact with internal circadian rhythms and influence metabolic regulation, appetite control and energy expenditure. Snacking behaviour, defined as intake outside of main meals, contributes substantially to total energy intake in many populations and can either improve diet quality when nutrient‐dense foods are chosen or exacerbate excess intake when energy‐dense, nutrient‐poor options prevail. Temporal distribution of energy—such as consuming a larger proportion of calories in the evening—has been linked to impaired glucose tolerance and greater adiposity, whereas earlier caloric distribution and regular fasting intervals may support insulin sensitivity, autophagy and reduced inflammation. Meal timing and composition are further shaped by cultural norms, socio-economic factors and food environments, leading to marked global heterogeneity. Understanding these patterns has practical implications for dietary guidelines, public health interventions and personalised nutrition strategies aimed at optimising nutrient adequacy, reducing chronic disease risk and addressing the dual burden of under- and overnutrition worldwide.

Research from Nature Portfolio

No recent Nature Portfolio content available.

Eating Patterns and Nutritional Outcomes publication trend

The graph below shows the total number of articles in eating patterns and nutritional outcomes across all publications each year (not limited to Nature Index journals).

Technical terms

eating occasion: A discrete event of food or beverage consumption, including meals and snacks.

eating frequency: The total number of eating occasions within a defined period, typically a day.

nutrient density: The ratio of essential nutrients (vitamins, minerals, protein) to total energy in a food or diet.

circadian rhythms: Endogenous 24-hour cycles that regulate physiological processes, including metabolism and appetite.

diet quality: A composite measure of how closely a dietary pattern aligns with nutritional recommendations for health.

adiposity: The extent of body fat accumulation, often linked to metabolic and cardiovascular risk.

References

1. Age-related differences in eating location, food source location, and timing of snack intake among U.S. children 1–19 years. International Journal of Behavioral Nutrition and Physical Activity (2023).
2. Association between daily eating frequency and mortality in people with diabetes: Findings from NHANES 1999–2014. Frontiers in Nutrition (2023).
3. Snacking Consumption among Adults in the United States: A Scoping Review. Nutrients (2023).
4. The Influence of Meal Frequency and Timing on Health in Humans: The Role of Fasting. Nutrients (2019).
5. Understanding meal patterns: definitions, methodology and impact on nutrient intake and diet quality. Nutrition Research Reviews (2015).