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Microaggressions are subtle, often unintentional comments or actions that express prejudice toward members of marginalized groups. The term was introduced by psychiatrist Chester M. Pierce in the 1970s to describe race-motivated "offensive mechanisms" that differ from overt "macroaggressions" like lynching.12

These actions, while seemingly minor, can have a cumulative negative impact on individuals from marginalized communities. The power of microaggressions often lies in their invisibility to the perpetrator, who may not realize they are expressing biased attitudes. The concept has broadened over time to include prejudice based on factors beyond race, such as gender or sexuality.12

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