PrevED MR. Improving Emotion Dysregulation Through Mixed Reality Based Dialectical Behavioral Therapy in Adolescents and Young Adults at Risk of Developing Eating Disorders.

Inclusion Criteria: * Adolescents and young adults aged 13 to 35 years. * Spanish-speaking participants who are able to understand the study procedures and complete the assessment instruments. * Students recruited from participating schools, universities, or related recruitment settings. * Participants at mid-to-high risk of developing eating disorders, as assessed by the Eating Attitudes Test-26 (EAT-26) and selected subscales of the Eating Disorder Inventory-3 (EDI-3). * Participants who provide informed consent. For minors, informed consent from a parent or legal guardian will also be required, together with the minor's assent when applicable. Exclusion Criteria: * Current or past self-reported diagnosis of an eating disorder. * Current severe psychiatric symptoms or diagnosis that could interfere with participation, including suicidal, manic, or psychotic symptoms. * Severe neurodevelopmental disorder, intellectual disability, or other cognitive impairment that could interfere with understanding or completing the study procedures. * Physical, motor, or sensory impairment that could interfere with the assessment procedures or the use of the mixed/virtual reality intervention. * Current psychological or pharmacological treatment for a mental health disorder delivered on a weekly or biweekly basis. * Inability to understand Spanish. * Failure to provide informed consent. For minors, lack of parent or legal guardian consent will also be an exclusion criterion.