Obesity is no longer a problem of affluence or urban excess. It is now one of the most pressing public health challenges of our time, globally and in India.
According to the World Health Organization (WHO), worldwide obesity has more than doubled since 1990. Over 1 billion people globally are now living with obesity. In India, recent estimates suggest that nearly 24 per cent of women and 23 per cent of men are overweight or obese, with urban rates even higher. More concerning is the rapid rise in childhood obesity. India is now among the countries with the highest number of overweight children, and projections suggest that without intervention, these numbers will continue to climb sharply over the next decade.
Obesity is not merely about appearance or body weight. It is a chronic, relapsing metabolic condition that increases the risk of type 2 diabetes, hypertension, heart disease, stroke, fatty liver disease, sleep apnea, joint problems, infertility, and certain cancers. It is also linked to depression and reduced quality of life. Importantly, many of these complications develop silently over the years.
Why is obesity rising so rapidly?
The reasons are complex and interconnected. Urbanisation has reduced physical activity in daily life. Sedentary jobs, long commutes, and screen time have replaced natural movement. Ultra-processed foods high in sugar, unhealthy fats, and refined carbohydrates are easily available and aggressively marketed. Sleep deprivation, stress, irregular meal patterns, and metabolic predisposition further compound the problem.
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Childhood obesity deserves special attention. Children today are growing up in environments with high-calorie snacks, sugary beverages, reduced outdoor play, and increased academic pressure. An overweight child is far more likely to become an overweight adult, with an earlier onset of diabetes and cardiovascular disease. Prevention must begin early- at home and in school.
Obesity is modifiable
The foundation of obesity management remains non-drug, lifestyle-based interventions.
Nutrition
Sustainable change matters more than extreme diets. Emphasising whole foods, such as vegetables, fruits, pulses, whole grains, nuts, and adequate protein, while reducing refined carbohydrates, sugary drinks, and processed snacks can significantly improve metabolic health. Portion awareness is equally important. Eating slowly and mindfully reduces overeating.
Physical activity
One does not need a gym membership to start. Brisk walking for 30–45 minutes most days of the week, climbing stairs, cycling, yoga, or strength exercises at home can make a meaningful difference. Resistance training is particularly important, as it preserves muscle mass and improves insulin sensitivity.
Sleep
Most adults require 7–8 hours of sleep. Chronic sleep deprivation alters hunger hormones and promotes weight gain.
Stress management
Chronic stress increases cortisol levels, which may promote central fat accumulation. Simple practices like deep breathing, meditation, or even structured hobbies can help.
Medical options are available for individuals who do not respond adequately to lifestyle measures alone. Several medications, when prescribed appropriately under medical supervision, can assist with appetite regulation and weight reduction. More recently, certain injectable medications have shown promising results in improving weight and metabolic health. However, these are adjuncts, not substitutes, for lifestyle change.
For individuals with severe obesity and obesity-related complications, bariatric surgery can be a safe and effective option. It not only reduces weight but can also induce diabetes remission in many cases. Surgery, however, requires careful selection, counseling, and long-term follow-up.
The key message is not fear; it is awareness and action. Obesity does not develop overnight, and it does not reverse overnight. But even a modest weight reduction of 5–10 per cent of body weight can significantly reduce the risk of diabetes and heart disease.
Small, consistent steps work:
• Replace sugary beverages with water.
• Add one serving of vegetables to each meal.
• Walk after dinner.
• Reduce late-night eating.
• Limit screen time.
• Encourage children to play outdoors daily.
World Obesity Day is not about stigma. It is about recognising obesity as a medical condition influenced by environment, behaviour, and biology; and one that can be managed.
With early intervention, informed choices, supportive families, and science-based guidance, individuals can reclaim their health. The challenge is large. But so is the opportunity.
The opinions expressed in this article are those of the author and do not purport to reflect the opinions or views of THE WEEK.
