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A bias is a tendency, inclination, or prejudice toward or against something or someone. Some biases are positive and helpful, such as choosing to eat foods that are considered healthy, or staying away from someone who has knowingly caused harm.
Both race, which describes physical characteristics, and ethnicity, which encompasses cultural traditions such as language and religion, play pivotal and socially significant roles in our lives. These aspects of our identity inform how we see ourselves and the world, how others see us, and how we relate to each other.