Self-harm, also known as self-mutilation, cutting, or non-suicidal self-injury is any intentional injury to a person's own body. Generally, self-injury leaves marks, scars, and may cause tissue damage. Teens of all ages, education levels, races, sexual orientation, socioeconomic status, and religion engage in self-injurious behaviors, however self-harm occurs more often among: teen females, those who have a history of physical, emotional, or sexual
, those who engage in substance use and
, teens with co-occurring mental health disorders, teens who were raised in environments in which anger was not an emotion to be expressed, those who do not have the skills to express emotions, and teens without a proper social support network.