Your Brain's Negativity Bias: Why You Ruminate! #shorts
19 Mar 2026 · 1 min

0:57
In this short educational video, the speaker explains that the human brain is wired to give negative experiences far more weight than positive ones, a phenomenon known as negativity bias. He describes how this bias leads to rumination: repeatedly replaying and analyzing distressing moments, such as a brief, possibly neutral comment from a coworker. The mental replay hijacks the viewer’s mood, drains energy, and can ruin the rest of the evening, including family interactions and other activities. The video uses a relatable scenario to illustrate how a single negative cue can dominate thoughts and affect overall well‑being.










