Association between unhealthy snack food and beverage consumption and the nutritional status of Nepalese children and adolescents: A systematic review.

TL;DR

A systematic review of Nepalese children found that unhealthy snack and beverage consumption correlates with higher obesity rates in urban areas, while rural regions continue facing undernutrition and stunting. The research highlights a public health collision: countries like Nepal simultaneously grapple with both malnutrition and overweight prevalence, driven by widening dietary gaps between urban and rural populations .

What the Study Found

Nepal represents a microcosm of a global nutrition paradox. As researchers conducted a systematic review across four major databases, they identified a clear geographic pattern: unhealthy snack food and beverage consumption is highest in urban areas, moderate in peri-urban zones, and lowest in rural regions. Yet this consumption gradient directly mirrors the distribution of overweight and obesity. In Kathmandu and other urban centers, children and adolescents show significantly elevated odds of overweight or obesity associated with regular snack and beverage intake. Meanwhile, rural areas maintain lower obesity prevalence but continue to face persistent undernutrition, stunting, and wasting conditions.

The researchers found that most Nepalese children still maintain normal weight status overall. However, this aggregate picture masks two distinct nutritional crises unfolding in different geographic contexts. Urban settings now mirror patterns seen in higher-income countries: processed snacks, sugar-sweetened beverages, and convenience foods are displacing traditional whole-food diets. Marketing penetration and improved retail access in these areas are driving consumption upward. Marketing efforts and supply chain expansion are beginning to reach peri-urban and even some rural communities, suggesting these patterns may broaden.

The review synthesized evidence showing that food diversity, accessibility, and dietary quality differ substantially between urban and rural Nepal. Rural children face barriers to adequate caloric and micronutrient intake due to poverty and food insecurity. Urban children, by contrast, have greater caloric access but face deteriorating diet composition. Neither situation represents optimal nutrition. The authors emphasize that Nepal's nutritional challenge is not singular but dual: simultaneously addressing the persistence of undernutrition in resource-limited rural areas while preventing the obesity epidemic taking root in expanding urban centers.

The studies included in this review employed quality assessment protocols, though the authors did not report an overall sample size across included studies. This reflects the typical structure of systematic reviews, which synthesize multiple independent studies rather than drawing from a single cohort. The heterogeneity of Nepal's geography and development status means that single-study findings risk missing the nuanced regional differences that emerged from this synthesis approach.

What This Means for You

If you live in or have connections to urban or peri-urban Nepal, this research signals that snack food and beverage consumption warrants deliberate dietary attention. The patterns observed suggest that:

For public health planners, the findings suggest that one-size-fits-all nutrition interventions will fail. Rural Nepal requires food security and micronutrient fortification strategies. Urban Nepal requires marketing regulation, nutrition education, and food environment redesign to make healthier options more accessible and appealing than processed alternatives.

Study Details

Sources

Association between unhealthy snack food and beverage consumption and the nutritional status of Nepalese children and adolescents: A systematic review