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The original was posted on /r/science by /u/mvea on 2024-09-17 14:09:27+00:00.

Original Title: Learning to be more assertive can reduce stress, anxiety, and depression, suggests a new randomized control trial. Saying no and setting boundaries is not the same as being mean or impolite. Practicing assertiveness can improve your self-esteem, agency, and self-confidence.