![low cortisol hair trigger stress response in the brain may underlie long covid](https://utterbuzz.com/wp-content/uploads/2024/08/low-cortisol-hair-trigger-stress-response-in-the-brain-may-underlie-long-covid-640x442.jpg)
A new animal study shows that exposure to immune-stimulating proteins left behind by COVID-19 leads to lower cortisol, brain inflammation and a heightened reaction to subsequent stressors.
A new animal study shows that exposure to immune-stimulating proteins left behind by COVID-19 leads to lower cortisol, brain inflammation and a heightened reaction to subsequent stressors.