This document provides information on self-esteem and strategies to increase low self-esteem. It defines self-esteem as beliefs about one's own self-worth, which can be positive (high self-esteem) or negative (low self-esteem). Low self-esteem is related to poorer mental health and can be caused by negative childhood/life experiences. The document recommends identifying negative core beliefs, challenging them with evidence, engaging in positive thinking exercises, setting achievable goals, spending time with supportive people, maintaining hobbies, exercise, diet, mindfulness, and assertiveness to boost self-esteem over time.