Childhood Obesity… A Growing Health Challenge in Modern Societies

By Dr. Najeeb Salah Abdulrahman – Gastroenterology Specialist
Swapna Mary John – Clinical Dietitian, International Modern Hospital Dubai

Modern societies, particularly in the Gulf region, are witnessing a significant rise in childhood obesity rates, making it one of the most pressing health challenges threatening future generations. Obesity is no longer viewed as a simple increase in body weight that can be overlooked; it is now recognized as a complex medical condition influenced by biological, behavioral, and environmental factors, with long-term physical and psychological consequences.

From a medical perspective, childhood obesity is defined as an excessive accumulation of body fat that negatively affects health. It is typically assessed using the Body Mass Index (BMI) in relation to a child’s age and gender. A child is considered obese when their BMI exceeds the 95th percentile for their age and sex. However, numbers alone do not reflect the full extent of the problem, as obesity during childhood often marks the beginning of a path that can lead to chronic diseases at an early age.

According to Dr. Najeeb Salah Abdulrahman, Gastroenterology Specialist, understanding obesity begins within the body itself, particularly in the digestive system, which plays a central role in regulating appetite and metabolism. The digestive system is not merely responsible for processing food; it is a highly integrated system that controls hunger and satiety signals through hormones such as ghrelin and leptin. Imbalances in these hormones can increase appetite or reduce feelings of fullness.

He also explains that changes in the balance of beneficial bacteria within the gut, known as the microbiome, have been linked in recent studies to weight gain. Certain types of bacteria may enhance the body’s ability to extract and store energy from food. However, while this association is promising, the relationship remains under investigation and has not yet been definitively proven as a direct cause of obesity.

Genetics also play an important role. Some children are more predisposed to gaining weight due to genetic influences on appetite regulation, energy expenditure, and the body’s response to food. These genetic factors often interact with lifestyle habits, increasing the likelihood of obesity development.

Another significant factor is insulin resistance, one of the key mechanisms associated with obesity. In this condition, the body becomes less responsive to insulin, leading to increased fat storage and a higher risk of developing type 2 diabetes at a young age.

Swapna Mary John, Clinical Dietitian, emphasizes that lifestyle changes are among the most influential contributors to the growing prevalence of obesity among children. Fast food and processed meals have become a common part of daily life, often containing high levels of saturated fats and sugars while providing limited nutritional value.

She notes that the issue is not only about what children eat but also how they eat. Common behaviors such as eating in front of screens, consuming food out of boredom rather than hunger, and relying heavily on sugary beverages contribute significantly to excess calorie intake.

The environment surrounding children also plays a major role. Technological advancements, despite their many benefits, have significantly reduced physical activity levels. Many children now spend extended periods using electronic devices, reducing daily movement and lowering calorie expenditure.

Lack of sleep is another important factor associated with weight gain. Insufficient sleep affects hormones that regulate appetite, making children more likely to crave foods rich in sugar and fat.

The consequences of childhood obesity extend far beyond physical appearance. Obese children are at greater risk of developing conditions that were once considered adult diseases, including type 2 diabetes, high blood pressure, and abnormal blood lipid levels.

Dr. Najeeb points out that obesity directly affects the digestive system, increasing the likelihood of developing Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), a condition that often progresses silently without obvious symptoms but can lead to serious complications if left untreated.

Obesity may also contribute to gastrointestinal disorders such as chronic constipation and increase the risk of gastroesophageal reflux disease (GERD), which can cause persistent heartburn and discomfort.

On the psychological side, Swapna Mary John explains that children struggling with obesity frequently face emotional and social challenges, including bullying, social isolation, and low self-esteem. In some cases, these experiences may contribute to anxiety and depression.

These psychological effects can lead children to use food as a coping mechanism, creating a vicious cycle that further complicates weight management and often requires professional intervention.

Addressing childhood obesity requires a comprehensive approach involving the child, the family, and healthcare professionals. Quick fixes and restrictive diets are rarely effective. Instead, the focus should be on gradual and sustainable lifestyle changes.

Swapna Mary John stresses the importance of developing a healthy relationship between children and food. Children should learn how to make nutritious food choices without feeling deprived. She recommends gradually introducing fruits and vegetables while reducing reliance on sugary snacks and processed foods.

Dr. Najeeb highlights the importance of medical follow-up, particularly when obesity is accompanied by health complications. In such cases, laboratory investigations may be needed to assess liver function, blood sugar levels, and cholesterol profiles.

The family’s role is equally important. Parents serve as the primary role models for children’s eating and lifestyle habits. When children observe healthy behaviors at home, they are more likely to adopt them.

For this reason, healthy lifestyle changes should involve the entire family. Eating nutritious meals together, encouraging outdoor activities, walking, and participating in sports can be far more effective than imposing restrictions solely on the child.

Prevention remains the best strategy and should begin early in life. Establishing healthy eating habits during childhood and encouraging regular physical activity can significantly reduce the risk of obesity.

Schools also have a crucial role in promoting health awareness by offering healthier food options, encouraging sports participation, and implementing educational programs focused on proper nutrition.

Given today’s challenges, collaboration among healthcare providers, educational institutions, and media organizations is essential to raise awareness about the risks of childhood obesity and the importance of prevention.

Childhood obesity is not an inevitable outcome. It is the result of multiple factors that can be managed through awareness, education, and commitment. Every small step toward a healthier lifestyle can make a meaningful difference in a child’s future.

Building a healthier generation begins with simple daily choices, but their impact can last a lifetime, creating a more informed and healthier society capable of facing future health challenges.