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New Delhi, May 12 – Children today are growing up in a world saturated with advertising, and nowhere is this more evident than in the relentless promotion of junk food. Whether on TV screens, smartphones, social media, or even billboards at bus stops, kids are bombarded with messages designed to tempt their taste buds. Now, new research reveals just how powerful-and immediate-this influence can be.
A recent UK-led study, presented at the European Congress on Obesity, found that just five minutes of exposure to junk food advertisements is enough to make children eat an average of 130 extra calories in a single day. That’s the caloric equivalent of two slices of bread-consumed unconsciously, and every day, simply from seeing or hearing an ad.
What’s particularly striking is that these ads don’t even need to show actual food. Brand-only advertisements-featuring just logos, jingles, or mascots-are just as effective at triggering cravings and increased consumption as product-focused ads. The study, which involved 240 children aged 7 to 15, showed that the effect was consistent across all media types, from TV and social media to radio and billboards.
Professor Emma Boyland, who led the research, explained, “Even brief exposure to marketing of foods high in fat, salt, and sugar can drive excess calorie consumption and potentially weight gain, particularly in young people who are more susceptible to advertising and whose eating patterns influence their lifelong health”.
Why are children so vulnerable? Between the ages of 7 and 15, kids are still developing the ability to critically evaluate the intent behind advertising. Instead, they are drawn in by bright colors, catchy tunes, and familiar characters, which create positive emotional associations with unhealthy foods-often leading them to eat even when they’re not hungry.
The consequences of this relentless marketing are becoming alarmingly clear. Childhood obesity rates are climbing, with more children developing health problems once seen only in adults, such as high blood pressure, type 2 diabetes, and joint issues. The emotional toll is also significant, with rising rates of low self-esteem, bullying, and depression among children struggling with their weight.
Regulatory responses have been slow to catch up. While countries like the UK have begun restricting junk food ads before 9 PM, many brand-only ads still fall outside existing regulations. In India, legal loopholes and the lack of a clear definition for “junk food” or HFSS (high in fat, salt, or sugar) foods have made it difficult to enforce meaningful advertising restrictions. Public health advocates are calling for stronger laws, clearer definitions, and more robust enforcement to protect children from misleading and manipulative food marketing.
Experts suggest that real change will require a multi-pronged approach:
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Parents monitoring screen time and encouraging healthy eating habits.
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Schools incorporating nutrition education and offering healthier meals.
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Communities investing in safe spaces for physical activity.
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Policymakers enacting and enforcing stricter advertising regulations.
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Tech platforms and advertisers taking responsibility for the content targeted at children.
As Professor Boyland warns, “Marketing works, and it works fast. Unless policies catch up with the evidence, we risk letting a generation of children grow up surrounded by cues that encourage overeating and poor diet”.
The fight against childhood obesity is not just a family matter-it’s a collective responsibility that demands action from every sector of society.
Disclaimer: This article is based on recent scientific studies and expert commentary. It is intended for informational purposes only and should not be considered medical advice. For concerns about your child’s health or diet, please consult a qualified healthcare professional.
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