Cold Weather and Appetite: Why You May Eat More in Winter

Mechanisms Linking Cold to Hunger

1. Thermogenic demand: Maintaining core temperature ↑ energy expenditure → caloric compensation.
2. Behavioral shifts: More indoor time → increased snacking, less activity.
3. Comfort-food cravings: High-calorie, carb-rich foods provide psychological warmth.
4. Circadian disruption: Shorter days/poor sleep dysregulate leptin/ghrelin.
5. Individual variability: Metabolism, body composition, activity level modulate response.

Cold is one of many appetite regulators—not the sole driver.