Why Do Some People Gain Weight Easily?

Why Do Some People Gain Weight Easily?

Ever wondered why some people eat whatever they want without gaining weight, while others struggle even with dieting? The secret lies in the complex interplay of genetics, metabolism, and environmental factors that influence weight management. 

The Calorie Equation

Weight is a balance between the calories you consume and burn. This balance is influenced by genetics, physical activity, and metabolism. If you consume more calories than you burn, the excess is stored as fat. Conversely, burning more calories than you consume leads to weight loss.

Genetics and Weight

Over 400 genes are linked to weight issues, affecting appetite, metabolism, and how your body stores fat.

Genetics can account for 25% to 80% of a person’s predisposition to obesity. Some people may find it difficult to lose weight despite dieting and exercise due to a strong genetic influence. 

Thrifty Genes and Obesity

Thrifty genes, which helped our ancestors survive during food scarcity by storing fat efficiently, now contribute to obesity in a world of abundant food. People with these genes may struggle to lose weight with diet and exercise alone and may require medical intervention.

Environmental Factors

Environmental factors, such as the availability of high-calorie foods and sedentary lifestyles, play a significant role in weight gain. Childhood habits, such as consuming sugary drinks and lack of physical activity, also contribute to obesity later in life.

The Impact of Modern Lifestyles 

Modern lifestyles with reduced physical activity and increased stress are major contributors to weight gain. High-calorie, readily available foods, combined with sedentary behaviors like watching TV, promote unhealthy eating habits and weight gain. Stress and lack of sleep further disrupt metabolism, making weight management even more challenging.

Need Personalized Help?

If you’re struggling with weight management, personalized advice from a dietitian or bariatric specialist can make a difference. Explore your options with our experts today.

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Dr. Mohit Bhandari
Laparoscopic, Bariatric, Metabolic & Robotics Surgeon
Mohak Bariatrics and Robotics Center, Indore India