Mediation training has long viewed venting anger as a useful tool for restoring a positive psychological state. This practice has been handed down as received wisdom through several generations of mediation trainers, practitioners, and theorists. Beware, this venting myth can be dangerous
Venting negative emotions triggers the physiologic stress response by increasing the level of the powerful hormone, cortisol. Higher cortisol levels lead to distortions in how we perceive anger, thus making decision-making much more difficult and making parties more entrenched in their original positions. Moreover, recent psychological research demonstrates that venting actually increases aggression and does not reduce anger or “clear the air.”
How to minimize the risk of venting:


