Long-term stress can increase cortisol and affect sleep, appetite, mood, and concentration. It may temporarily affect brain function, especially areas related to memory.
However, in most cases stress does not permanently kill brain cells. The changes are usually functional and reversible. With proper sleep, stress management, exercise, and healthy lifestyle, brain function can recover.
Next Steps
If stress is significantly affecting daily life, it is advisable to consult a doctor for evaluation and guidance.