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Presentation
Vitamin D Supplementation with or without Light Therapy in Seasonal Affective Disorder: Impacts on Function and Quality of Life
Integration of Evidence in Professional Nursing Practice Research Presentations, Research presentations (University of West Florida, Pensacola, Florida, 11/2025)
11/2025
Abstract
Seasonal affective disorder (SAD) is a depressive disorder that occurs in specific times of through, typically seen in the fall and winter months, due to less daylight hours in the northern hemisphere.
This temporal pattern strongly suggests that environmental light exposure plays a key role in the pathophysiology of SAD, likely by disrupting circadian rhythms and reducing serotonin and melatonin regulation. SAD significantly impacts daily functioning, work productivity, and overall quality of life. Individuals with SAD frequently report increased sleep, weight gain, social withdrawal, and feelings of hopelessness. As such, effective treatment strategies are crucial to mitigate its psychosocial and occupational burden. This review of evidence aims to address this gap by evaluating the individual and combined impacts of vitamin D supplementation and light therapy on functional status and quality of life in individuals diagnosed with SAD.
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- Title
- Vitamin D Supplementation with or without Light Therapy in Seasonal Affective Disorder: Impacts on Function and Quality of Life
- Resource Type
- Presentation
- Event
- Integration of Evidence in Professional Nursing Practice Research Presentations, Research presentations (University of West Florida, Pensacola, Florida, 11/2025)
- Contributors
- Rebecca D Toothaker (Faculty Mentor) - University of West Florida, Usha Kundu, MD College of HealthPrasanthi Sumudrika Ilankoon Mudiyanselage (Faculty Mentor) - University of West Florida, School of Nursing
- Format
- mp4
- Copyright
- Permission granted to the University of West Florida Libraries by the author to digitize and/or display this information for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires the permission of the copyright holder.
- Identifiers
- 99381543679506600
- Academic Unit
- School of Nursing; Usha Kundu, MD College of Health; BSN Virtual Student Scholarly Poster Showcase
- Language
- English