- Metabolic adaptation slows metabolism, reducing calorie burn during dieting
- Hormonal shifts increase hunger and promote fat storage during calorie deficits
- Poor sleep and stress raise cortisol, boosting cravings and hindering weight loss
Weight loss is not the same for everyone as there are several factors at play. Your diet, physical activity, sleep, hormones and genes, have significant roles to play in your weight loss journey. You might cut down on your calories, workout at the gym and track every bite you take, however, you might not shed weight. This could be due to hormones and continuous hunger, which makes you eat more calories. A lot of times, you tend to feel hungry even after you've eaten adequate food. This happens due to the body's built-in survival mechanisms and hormonal imbalance, among others. Read on to know why weight loss can be harder than expected.
Metabolic Adaptation
Your body resists weight loss by slowing your metabolism. When you reduce your calorie intake, energy expenditure also drops more than predicted. This makes every diet less effective, as your body becomes more efficient at conserving energy, burning fewer calories even during rest or light activity. Over time, this adaptation persists which also explains why the same approach gives you slower results.
Hormonal Changes
Hormones like leptin (satiety signal) and ghrelin (hunger trigger) shift unfavourably during calorie deficits. Leptin drops, increasing your appetite, while ghrelin increases, making you feel hungrier. Thyroid hormones also get suppressed to save energy, and increased cortisol from stress leads to fat storage, especially around the abdomen.
Effects Of Yo-Yo Dieting
Repeated dieting cycles cause "metabolic memory," where the body defends regained weight. Each round reduces non-exercise activity, reduces fat-burning flexibility, and increases weight regain risk. Studies show initial losses slow down, with energy needs dropping to prioritise survival. This explains the frustration of past successes failing now.
Sleep Deprivation
Poor sleep disrupts hunger hormones and boosts cravings for carbs and junk food. Sleep loss also lowers willpower, reduces exercise motivation, and slows recovery, creating a cycle where fatigue causes overeating. Even one night of poor sleep can increase cortisol, mimicking stress effects that prevent fat loss.
Stress and Spike in Cortisol
Chronic stress floods the body with cortisol, which shifts metabolism toward fat storage and triggers emotional eating. This also increases your cravings for sugary and salty foods while reducing energy for workouts.
Ways To Curb Hunger For Effective Weight Loss
When you curb your hunger, it can make your weight loss easier. Here are some simple and effective ways to curb hunger.
- Eat More Protein: Protein keeps you full for longer than carbs or fats because it digests slowly and signals your brain to stop eating. Add eggs, chicken, lentils, yoghurt, or paneer to every meal and aim for 20-30 grams per sitting.
- Choose High-Fibre Foods: Fibre bulks up in your stomach, stretching it to feel satisfied with fewer calories. Load up on watery veggies like cucumber, spinach, broccoli, and fruits such as apples, berries, or oranges. A big salad before lunch can also reduce your calorie intake.
- Drink Water First: Thirst can often show up as hunger. Drink water before meals, about 500ml. This stretches your stomach and quiets cravings. It can also reduce your food intake at the next meal.
- Exercise Regularly: A brisk walk, yoga, or high-intensity workout can help suppress hunger hormones like ghrelin while improving fullness signals. Just 30 minutes daily can lower appetite for hours and fight stress eating.
- Eat Mindfully and Slowly: Rushing through meals can trick your brain into overeating before fullness kicks in. Chew thoroughly, avoid screens, and savour each bite to eat less naturally. Smaller plates can also be helpful.
- Prioritise Sleep and Reduce Stress: Poor sleep can spike hunger hormones, making you crave junk. Aim to get 7-9 hours of sleep every night. Manage stress with deep breathing or short meditations to lower cortisol.
Disclaimer: This content including advice provides generic information only. It is in no way a substitute for a qualified medical opinion. Always consult a specialist or your own doctor for more information. NDTV does not claim responsibility for this information.
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