We all have some displeasing memories from the past that still make our blood boil. Why is it so hard to let those grudges go?

This video takes a look at the physiological cost and evolutionary reasons behind our tendencies to nurse our anger or resentment over an offending event, however much time may have passed since it occurred.

As it turns out… revenge and forgiveness are thought to have been shaped by evolution, which turns a dispassionate eye to our motivations, whether dark or virtuous.

However, letting grudges go through interventions like meditation, is better for your health in the long run, and something both possible and worthwhile to accomplish.

View the original video here.

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