Adolescent Nutrition in India: Schools as the First Line of Public Health
Tackling poor diet and physical inactivity in schools is crucial for adolescent health and well-being and must be a priority.
4 mins read
"Healthy children today are the foundation of a healthy nation tomorrow."
India is facing a double burden of malnutrition—persistent undernutrition among children alongside rising obesity and lifestyle diseases among adolescents and adults. The NFHS-6 (2023-24) findings reveal that unhealthy dietary habits and physical inactivity are no longer confined to urban areas but are rapidly spreading to rural India. Since the roots of many non-communicable diseases (NCDs) lie in adolescence, schools have emerged as the most effective setting for preventive action.
Why is adolescent nutrition a growing concern?
The latest health indicators point to a worrying trend.
| NFHS-6 (2023-24) Findings | Status |
|---|---|
| Obesity among women (15–49 years) | Increased from 24% to 30.7% |
| Obesity among men (15–49 years) | Increased from 22.9% to 27.3% |
| High blood sugar among men (15+) | Increased from 15.6% to 20.9% |
| High blood sugar among women (15+) | Increased from 13.5% to 17.8% |
These trends indicate a growing burden of diabetes, cardiovascular diseases and stroke, with their origins beginning much earlier in life.
Understanding the "double burden" of malnutrition
India simultaneously faces:
- Persistent undernutrition among children.
- Rising overweight and obesity among adolescents and adults.
- Increasing prevalence of the "thin-fat phenotype"—children who appear lean but carry high metabolic risks.
According to the Comprehensive National Nutrition Survey (CNNS, 2019):
- 27.4% of Indian adolescents are stunted.
- Nearly 35% of children under five are stunted while exhibiting adult-level triglycerides, increasing future risks of diabetes and heart disease.
Poor Childhood Nutrition
↓
Thin-Fat Phenotype
↓
Metabolic Disorders
↓
Type-2 Diabetes & Heart Disease
↓
Higher Healthcare Burden
Why are unhealthy diets becoming common?
Studies among school adolescents reveal diets dominated by cereals with inadequate intake of:
- Milk and dairy products.
- Green leafy vegetables.
- Fruits.
- Protein-rich foods.
The Dietary Guidelines for Indians (2024) recommend that half the plate should consist of fruits and vegetables, yet sedentary lifestyles and excessive screen time reduce their consumption.
Schools can improve dietary habits through:
- Nutritious Mid-Day Meals.
- Healthy school canteens.
- Food demonstrations.
- School gardens.
- Seasonal fruit breaks.
The growing threat of sugar and Ultra-Processed Foods (UPFs)
Traditional diets are increasingly being replaced by:
- Sugary beverages.
- High Fat, Sugar and Salt (HFSS) foods.
- Ultra-Processed Foods (UPFs).
A WHO study reports that UPF consumption in India is increasing by over 13.7% annually.
"The excess sugar consumed today becomes tomorrow's metabolic disease."
Schools should therefore:
- Restrict sugary beverages.
- Display sugar-content information.
- Promote sustained nutrition awareness rather than one-time campaigns.
HFSS Foods & UPFs
↓
Obesity
↓
Early-Onset Diabetes
↓
Hypertension
↓
Cardiovascular Diseases
Why is physical activity equally important?
Physical inactivity has become a nationwide concern.
Major risk factors for NCDs among adolescents include:
- Poor dietary habits.
- Sedentary lifestyles.
- Excessive screen time.
- Lack of regular sports and exercise.
Schools should treat physical education and sports as essential components of learning rather than optional activities.
Schools as public health institutions
Schools can become centres of lifelong healthy behaviour by promoting:
- Balanced nutrition.
- Food label reading.
- Portion size awareness.
- Basic cooking skills.
- Understanding food marketing strategies.
- Digital nutrition literacy.
The Let's Fix Our Food (LFOF) initiative led by ICMR-NIN provides a comprehensive model by advocating:
- Regulation of HFSS food advertising.
- Taxation of unhealthy beverages.
- School nutrition curriculum.
- Food label reading toolkits.
- Youth nutrition literacy.
A Lancet (2025) projection estimates that by 2050, India may have 21.8 crore overweight men and 23.1 crore overweight women, with the sharpest rise among 15–24-year-olds, highlighting the urgency of school-based interventions.
Way Forward
- Strengthen nutrition education through practical, skill-based learning.
- Ensure healthy Mid-Day Meals and regulate school canteens.
- Promote UPF-free and HFSS-free school environments.
- Integrate compulsory daily physical activity into school curricula.
- Expand school gardens and seasonal fruit programmes.
- Scale up initiatives like Let's Fix Our Food (LFOF) across all States.
- Strengthen collaboration among schools, families and public health institutions.
Conclusion
Adolescent nutrition is not merely an educational issue but a public health priority. Preventing obesity, diabetes and cardiovascular diseases must begin in classrooms rather than hospitals. By creating healthier school food environments, encouraging physical activity and empowering students with nutrition literacy, India can reduce future disease burdens and build a healthier, more productive generation.
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Quick Q&A
What is the double burden of malnutrition among Indian adolescents, and why has it become a major public health concern in recent years?
The double burden of malnutrition refers to the simultaneous existence of undernutrition and overnutrition within the same population, household, or even individual. In India, this phenomenon has become particularly evident among adolescents, where problems such as stunting, micronutrient deficiencies and underweight coexist with rising obesity, diabetes and other non-communicable diseases (NCDs). The National Family Health Survey (NFHS-6, 2023-24) highlights this transition by reporting obesity among women aged 15-49 years increasing from 24% to 30.7%, while obesity among men rose from 22.9% to 27.3%. Similarly, high blood sugar prevalence has also increased significantly. The Comprehensive National Nutrition Survey (CNNS, 2019) found that nearly 27.4% of Indian adolescents are stunted, demonstrating that traditional nutritional deficiencies continue alongside emerging lifestyle diseases. A distinctive feature in India is the 'thin-fat' phenotype, where individuals appear lean but possess excess body fat and high metabolic risk, making them susceptible to Type-2 diabetes and cardiovascular diseases at younger ages. Rapid urbanisation, changing dietary habits, increasing consumption of ultra-processed foods (UPFs), sedentary lifestyles, excessive screen time and declining physical activity have accelerated this epidemiological transition even in rural areas. Addressing adolescent nutrition has therefore become critical because adolescence is the period of rapid physical growth and behavioural formation. Investments during this stage produce lifelong health, educational and economic benefits. For UPSC, this topic is relevant to GS-II (Health and Social Sector), GS-III (Human Development and Nutrition), Sustainable Development Goals, demographic dividend, preventive healthcare, and public policy aimed at reducing India's future disease burden.
Why are schools considered the most effective institutions for preventing adolescent obesity and promoting long-term public health outcomes in India?
Schools occupy a unique position in India's public health ecosystem because they reach children and adolescents during a formative stage when lifelong dietary and lifestyle habits are established. Rather than treating obesity and non-communicable diseases after they develop, school-based interventions focus on prevention, making them both socially beneficial and economically cost-effective. The article highlights that unhealthy diets and physical inactivity are among the leading risk factors for early-onset diabetes, hypertension and cardiovascular diseases. Schools can influence these behaviours through healthier midday meals, nutritious canteens, compulsory sports, nutrition education and restrictions on High Fat, Sugar and Salt (HFSS) foods. The Dietary Guidelines for Indians 2024 recommend that half of a meal should consist of fruits and vegetables, yet studies show inadequate intake among adolescents. Schools can bridge this gap through fruit breaks, kitchen gardens and nutrition demonstrations. Equally important is nutrition literacy. Students should learn to read food labels, understand portion sizes, identify misleading advertisements and appreciate the risks of excessive sugar and UPF consumption. Such life skills extend beyond the classroom into households and communities. Evidence from school-based interventions in India has shown improvements in dietary behaviour and reduced sugary beverage consumption. The long-term benefits include reduced healthcare expenditure, enhanced productivity and improved educational outcomes. For UPSC, this issue intersects GS-II topics such as public health policy, education, child welfare and governance, while also relating to GS-III themes of human capital, preventive healthcare and sustainable development. It demonstrates how educational institutions can function as public health-promoting institutions rather than merely centres of academic instruction.
How are changing food consumption patterns, ultra-processed foods and sedentary lifestyles contributing to the rise of adolescent obesity and non-communicable diseases in India?
India's nutritional landscape has undergone a significant transformation due to economic growth, urbanisation, digitalisation and changing consumer preferences. Traditional diets rich in cereals, pulses, vegetables and locally available foods are increasingly being replaced by ultra-processed foods (UPFs), sugary beverages and High Fat, Sugar and Salt (HFSS) products. According to the article, a World Health Organization study indicates that UPF consumption in India has been increasing at an annual rate exceeding 13.7%. These products are calorie-dense but nutrient-poor and contribute to obesity, insulin resistance and metabolic disorders. Simultaneously, rising screen time, reduced outdoor activities, academic pressure and dependence on motorised transport have reduced physical activity among adolescents. The problem is no longer confined to urban areas, as rural populations are also experiencing similar lifestyle changes. Poor dietary diversity further aggravates the situation. Studies among Delhi school students have revealed inadequate consumption of milk, dairy products, fruits and green leafy vegetables, resulting in deficiencies of essential micronutrients despite adequate calorie intake. This combination creates the 'thin-fat' phenotype, where normal body weight masks high metabolic risk. The consequences include increasing prevalence of Type-2 diabetes, hypertension, cardiovascular diseases and obesity at younger ages. Addressing this challenge requires a multi-sectoral approach involving schools, families, food industries, regulators and healthcare institutions. Policy interventions such as front-of-pack food labelling, taxation of sugary beverages, regulation of food advertising targeted at children and promotion of healthy school environments are increasingly being recommended. For UPSC, this issue links nutrition, behavioural economics, preventive healthcare, food regulation, public policy and Sustainable Development Goal 3 on ensuring healthy lives.
Critically analyse India's policy response towards adolescent nutrition and obesity, highlighting existing initiatives, institutional gaps and future policy priorities.
India has progressively shifted its nutrition policy from addressing only undernutrition towards tackling the broader challenge of malnutrition that includes obesity and lifestyle diseases. Flagship programmes such as POSHAN Abhiyaan, PM POSHAN (Mid-Day Meal Scheme), Anaemia Mukt Bharat, School Health Programme under Ayushman Bharat and the Eat Right India movement have strengthened awareness and nutritional support. The Indian Council of Medical Research (ICMR) has issued updated Dietary Guidelines for Indians 2024, while the Let's Fix Our Food (LFOF) initiative led by ICMR-National Institute of Nutrition seeks to create healthier food environments through evidence-based policies, nutrition literacy and recommendations on regulating HFSS food advertising and unhealthy beverage taxation. Despite these efforts, several implementation gaps remain. Nutrition education often remains theoretical instead of skill-based, unhealthy food marketing targeting children continues, physical education receives inadequate priority and school canteens frequently sell unhealthy food products. Coordination among the Ministries of Health, Education, Women and Child Development, Food Processing and Consumer Affairs also requires strengthening. Furthermore, regulatory mechanisms for front-of-pack labelling and advertising restrictions remain under evolution. A 2025 Lancet projection estimates that by 2050, India could have over 44 crore overweight adults, with the sharpest increase expected among adolescents and young adults. This underlines the urgency of preventive action. Future priorities should include mandatory healthy school food policies, nutrition-sensitive curricula, universal physical activity standards, improved surveillance systems and stronger regulation of UPFs. For UPSC, the issue exemplifies the importance of preventive healthcare, evidence-based policymaking, inter-sectoral governance and balancing individual behavioural change with systemic regulatory interventions.
How does the Let’s Fix Our Food initiative provide a model case study for promoting nutrition literacy, preventive healthcare and healthy food environments among Indian adolescents?
The Let's Fix Our Food (LFOF) initiative represents an important example of a comprehensive and preventive public health strategy aimed at addressing adolescent nutrition. Led by the Indian Council of Medical Research-National Institute of Nutrition (ICMR-NIN), it adopts a multi-stakeholder approach involving researchers, educators, policymakers and civil society organizations to improve food environments rather than relying solely on individual behaviour change. The initiative recognizes that adolescent obesity is driven not only by personal choices but also by the availability, affordability and aggressive marketing of unhealthy foods. Accordingly, it advocates evidence-based measures such as regulating High Fat, Sugar and Salt (HFSS) food advertising, introducing taxation on unhealthy beverages, developing school nutrition curricula and promoting food label reading skills. One of its strengths is its emphasis on nutrition literacy, enabling students to identify misleading marketing practices, understand nutritional labels, recognize appropriate portion sizes and make informed dietary decisions. Such life skills contribute to healthier habits throughout adulthood. The initiative also complements broader national programmes by promoting healthier school environments, encouraging balanced diets and reducing dependence on ultra-processed foods. Its preventive orientation aligns with global recommendations of the World Health Organization that emphasize creating supportive food environments instead of focusing exclusively on medical treatment after disease develops. If implemented effectively across schools, such interventions can reduce obesity, diabetes and cardiovascular diseases while improving educational outcomes and workforce productivity. For UPSC, the LFOF initiative serves as a valuable case study linking GS-II themes of public health governance, education and social policy with GS-III issues of nutrition security, human capital development, behavioural change and evidence-based policymaking. It also illustrates the transition from curative healthcare towards preventive and promotive health systems.
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