Calories & Energy
Energy balance, calorie counting accuracy, TDEE, and metabolic rate research.
caloriesThe TDEE Calculation: Why Your Maintenance Calories Keep Shifting
Total Daily Energy Expenditure is not a fixed number. It is a moving target shaped by muscle mass, metabolic adaptation, and the surprising energy cost of doing nothing in particular.
caloriesThe Calorie Deficit Sweet Spot: Too Little Is as Bad as Too Much
A 500-calorie deficit is the most commonly cited number in weight loss. But the range between effective and harmful is narrower than most people realize, and the consequences of overshooting are biological, not just psychological.
caloriesCalorie Counting Is Broken: What Food Labels Get Wrong
The number on the back of the package is an estimate, not a measurement. Here is how much it can be off — and what that means for your diet.