9781422270912

WORDS TO UNDERSTAND

depression: a serious medical illness that causes a person to think negative thoughts and feel listless, sad, and worthless; lose their appetite; have trouble concentrating; have difficulty sleeping; have thoughts of death or suicide; and exhibit other symptoms detrimental: harmful innate: inborn or natural neurological system: a highly complex system that consists of the

brain, spinal cord, and nerves that control the body self-esteem: how we view and perceive ourselves

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