The review included both acute stress created in a laboratory and stress measured in everyday life. Researchers combined findings for overall intake and for foods that each study classified as healthy or unhealthy.
What 54 studies tell us
On average, food intake moved slightly higher under stress. Individual responses varied widely.
An average is not a personal rule
A small pooled effect does not mean that every person ate a little more.
Some people eat more under stress, some eat less, and others change very little. The 54 studies used different stressors, participants and ways of measuring food. The analysis could not explain much of that variation. Assuming that stress must cause overeating can hide a different response happening in your own day.
Treat food labels cautiously
“Healthy” and “unhealthy” were research categories, not scores for one meal.
Included studies grouped items such as high-fat or sweet foods and fast food as unhealthy, and foods such as fruit and vegetables as healthy. Definitions were not identical across studies. The result is not a reason to judge yourself for choosing a particular food during a difficult day.
Test your own pattern
Choose three demanding days and first check for “meal skipped,” “snack added,” or “no clear change.”
How MorselFlow fits
A gap in the photo timeline can be information too.
Stress does not always add snacks. A meal may disappear, shift later or look much like any other day. Putting meal photos in time order helps separate your response from a familiar story about “stress eating.”
The goal is not to score one day, but to see whether a pattern repeats.
This article explains research for a general audience. It is not diagnosis, treatment or individualized nutrition advice. If distress around stress or eating persists, consider speaking with an appropriate health professional.