Stress and Sugar: Brains Seek Comfort Food

In Spain, scientists explain how stress triggers cravings for carbohydrates and fats. When people experience anxiety or fatigue at the end of the workday, they often reach for high-calorie foods like pizza or ice cream.

This isn’t simply indulgence, but a neurobiological response rooted in evolution and emotional regulation. Chronic stress releases cortisol, disrupting signals of fullness and prompting the body to store energy.

The brain’s reward system activates with sugar and fat intake, releasing dopamine that temporarily eases emotional discomfort. Carbohydrates also aid serotonin production, which promotes feelings of calm. However, intense sadness or grief can have the opposite effect, suppressing appetite and slowing digestion.

Researchers note that cultural rituals around food often emerge in times of grief, offering comfort and reinforcing social bonds. While science understands these patterns, the body’s adaptation to modern food availability remains an area for further study.