Imagine this: you are staring in the mirror after a rough day, muttering, “I’m such a mess.” At first glance, it feels harmless just venting. However, inside your body, the reaction is anything but trivial. At the cellular level, this kind of inner dialogue resembles sounding an alarm for an incoming predator, triggering negative self talk cellular stress. Increasingly, research shows that our inner monologue is not merely psychological noise.