Metabolism
Metabolism
This information is for educational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before making lifestyle changes.
How the body manages energy, hunger, and weight is more complicated than the simple rules most people start with. This section covers the mechanisms behind calorie balance, metabolic rate, hunger signals, and body composition: why BMI tells an incomplete story, how calorie calculators produce their estimates, and what actually happens when you eat at a deficit over time.
Articles in this section
Articles in this section
- Calorie Cycling: Does Varying Your Intake Help?
Some people rotate between higher and lower calorie days to avoid metabolic adaptation. Here is what the evidence actually says.
- How Calorie Calculators Work
The formulas behind TDEE calculators, why they are estimates, and how to adjust them based on your results.
- Understanding Calorie Deficit
The 3,500-calorie-per-pound rule is a rough estimate. Here is what it gets right, what it misses, and how to use it in practice.
- What BMI Misses
BMI is a useful screening tool, but it cannot distinguish muscle from fat. Here is what it tells you and where it falls short.
- Why Poor Sleep Makes You Hungrier
How a bad night of sleep changes the hormones that control appetite, and what that means for your eating the next day.
- Why You Still Feel Hungry After Eating
The signals your body uses to register fullness take time to arrive. Here's what's happening and how to work with it.