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Beyond Calories: Why Your Body Gains Weight Differently
7 Jun
Summary
- Non-exercise activity thermogenesis significantly impacts energy expenditure.
- Hormones like leptin and ghrelin regulate appetite and energy balance.
- Gut health and sleep quality play crucial roles in weight regulation.
The traditional view of weight gain—calories in versus calories out—is scientifically valid but incomplete. Individual biological processes cause significant variations in body weight changes despite similar lifestyles. India is experiencing a notable increase in overweight and obesity rates across all age demographics, increasing the risk of serious health conditions.
Differences in daily movement, such as fidgeting or stair climbing (NEAT), contribute to varied energy expenditure. Hormonal signals, including leptin and ghrelin, critically regulate hunger and satiety, with individual variations impacting appetite more than some realize.
Resting metabolic rate, influenced by muscle mass, age, and genetics, also plays a key role. Genetics can predispose individuals to certain weight gain patterns. Furthermore, the quality of food, gut health, and adequate sleep are increasingly recognized as significant contributors to weight regulation.
Hidden factors like frequent snacking, alcohol consumption, and stress-related eating can lead to gradual weight gain over time. Ultimately, weight management is a complex interplay of biology, behavior, metabolism, and lifestyle, requiring a nuanced understanding beyond simplistic calorie counting.
