Venting is not the same as processing.

Anger is not steam waiting for an exit

The pressure metaphor is persuasive: hold anger in and it builds; express it forcefully and the pressure falls. That model turns shouting, punching a pillow, running hard, or repeating a grievance into emotional release valves.

Relief after an outburst can feel like proof. But exhaustion, the passage of time, and the end of the triggering situation can also feel like relief. To know whether venting works, researchers have to compare it with other ways of responding.

Across 10,189 participants, lowering arousal worked better

Sophie Kjærvik and Brad Bushman combined 154 studies, representing 184 independent samples and 10,189 participants. They organized anger-management activities around a simple question: did the activity increase physiological arousal or decrease it?

Arousal-decreasing activities—including forms of slow breathing, relaxation, mindfulness, meditation, and yoga—reduced anger and aggression with a moderate overall effect. Arousal-increasing activities were ineffective overall. The result does not mean exercise is bad; it means increasing arousal was not a reliable way to reduce anger in these studies.

An earlier experiment makes the rumination problem vivid. After being provoked, participants who hit a punching bag while thinking about the person who angered them reported more anger and behaved more aggressively than distraction and no-bag groups. Rehearsing the grievance did not drain it. It kept the target active.

A Brain Dump can reveal anger—or rehearse it

Neither study tested voice journals. A raw journal entry is also not the same as hitting something, and structured expressive writing has its own evidence base. So the finding is not “never write while angry.”

It gives us a better question: after the first honest minute, is the entry helping your system settle enough to see choices, or is it adding detail to the prosecution? Repeating the insult in ten new ways may feel like processing while functioning more like rehearsal.

Lower the heat before you solve the case

Record the uncensored version once. Then pause the analysis and do something that reduces arousal: lengthen your exhale, relax your muscles, or sit quietly rather than using intensity as punishment. Return only when you can answer four narrower prompts.

Processing does not require forgiving the event or pretending the anger is wrong. It turns the signal into information you can use after the alarm quiets down.

Do not confuse “calm down” with “nothing happened”

Anger can identify injustice, violation, or danger. Lowering arousal should not erase a boundary, excuse harmful behavior, or prevent decisive action. It simply improves the odds that the action is chosen rather than discharged.

The 2024 review combined many populations and activities, which gives it breadth but not a verdict on every person or every form of writing. If anger feels uncontrollable, creates risk of harm, or repeatedly overwhelms daily life, a self-guided log is not enough; step away from the situation and seek appropriate professional support.

Sources

1. Kjærvik, S. L., & Bushman, B. J. (2024). A Meta-Analytic Review of Anger Management Activities That Increase or Decrease Arousal: What Fuels or Douses Rage? Clinical Psychology Review, 109, 102414.
2. Bushman, B. J. (2002). Does Venting Anger Feed or Extinguish the Flame? Catharsis, Rumination, Distraction, Anger, and Aggressive Responding. Personality and Social Psychology Bulletin, 28(6), 724–731.