Metabolism varies from person to person, but the perception of having a "fast" or "slow" metabolism often relates more to individual eating habits and brain responses to food than actual metabolic rate. Many people struggle to accurately track their caloric intake, which can lead to misconceptions about why some can eat freely without gaining weight while others do not. Ultimately, it’s all about calories in versus calories out, but the experience of hunger and fullness can differ significantly among individuals.
