Why is my appetite gone when I'm stressed?

Your appetite is one of the first things stress shuts down, and it makes biological sense. When your brain decides there is a threat - deadline, breakup, money worry - it releases adrenaline and related stress hormones, which redirect your body toward action: heart rate up, muscles primed, and digestion quietly deprioritised. Eating is a rest-and-digest activity, so hunger signals get muted while the emergency lasts. The NHS lists eating too much or too little among the classic behaviour changes stress causes - some people lose appetite, others reach for comfort food, and both are the same system responding. A few days of picking at food during a rough patch is normal and self-correcting: appetite returns as the stress passes. While you wait, small tactics help: eat on a schedule rather than waiting for hunger (it may not arrive), choose small, dense, easy foods - soup, eggs, yoghurt, toast, smoothies - and hydrate, since thirst also dulls under stress. The lines that mean the stress is winning: MedlinePlus advises seeking help when changes in eating cause unwanted weight changes alongside other symptoms lasting 2 weeks or more, and the NHS notes stress you cannot cope with deserves support. Appetite loss with significant unintentional weight loss, appetite loss that outlasts the stressor, or food feeling pointless alongside persistent low mood are all GP conversations - physical causes like thyroid problems also hide behind the stress explanation sometimes. Pymander is a free AI doctor, 24/7 by text, that can help you untangle it. And if stress ever tips toward despair, in the US call or text 988; elsewhere, contact your local crisis line.