Have you picked up your phone to check one notification, and somehow 20 minutes later you’re deep into bad news, hot takes, and polarizing comment sections? And when you finally put the phone down, you still feel tense, wired, or oddly uneasy? 

We’ve all been there! That’s not just in your head. That’s stress physiology at work.

Doomscrolling happens when we consume a steady stream of negative or alarming news. This hits the brain the same way a real threat does. Your brain isn’t great at telling the difference between reading about danger and being in danger. 

When you scroll through headlines about violence, illness, disasters, or conflict, your amygdala (the brain’s threat detector) lights up, triggering the release of cortisol and adrenaline, which activates your fight-or-flight response.

The problem is that doomscrolling doesn’t come with a natural endpoint. There’s no resolution, no clear action, and no signal that the threat has passed. As a result, stress hormones remain elevated longer than they should. Cortisol is helpful in short bursts as it keeps you alert and focused, but when it stays high, it can disrupt sleep, increase anxiety, affect appetite, and impair concentration.

This effect can be stronger for people who already work in high-stress environments, such as healthcare, or shift-based professions (also healthcare). After a day filled with real emergencies and constant decision-making, the nervous system is already primed to be on high alert. Doomscrolling adds more threat input at a time when the body actually needs to recover, making it harder to shift into rest mode.

Doomscrolling also gives the illusion of control. Scrolling feels like staying informed, but biologically, your brain reads it as unresolved danger. That’s why anxiety can linger even after you close the app because your nervous system hasn’t received a safety signal.

The solution isn’t total disconnection. Setting limits on news intake, avoiding doomscrolling before sleep, and pairing heavy content with grounding activities, like movement, breathing, or stepping outside can help signal safety and allow the nervous system to reset. You can set screen time limits on your phone for specific apps that will remind you when you’re approaching the limit, which can help take you out of the vicious cycle.

So the bottom line: doomscrolling isn’t harmless background noise. It’s a steady stream of stress signals your body takes seriously. Pay attention to how you feel after spending time on social media to recognize the danger cues your body is sending you. Protecting your nervous system isn’t ignoring reality; it’s preserving your ability to cope with it.

References:

American Psychological Association. (2022). Stress effects on the body.
https://www.apa.org/topics/stress/body.

Brosschot, J. F., Gerin, W., & Thayer, J. F. (2006). The perseverative cognition hypothesis: A review of worry, prolonged stress-related physiological activation, and health. Journal of Psychosomatic Research, 60(2), 113–124.
https://doi.org/10.1016/j.jpsychores.2005.06.074.

Garfin, D. R., Silver, R. C., & Holman, E. A. (2020). The novel coronavirus (COVID-19) outbreak: Amplification of public health consequences by media exposure. Health Psychology, 39(5), 355–357.
https://doi.org/10.1037/hea0000875.

McEwen, B. S. (2007). Physiology and neurobiology of stress and adaptation: Central role of the brain. Physiological Reviews, 87(3), 873–904.
https://doi.org/10.1152/physrev.00041.2006.