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PsychPearls by Psychiatric Times
54: Blue Light, Depression, and Bipolar Disorder
Aug 2, 2021
This podcast explores the impact of blue light on patients with depression and bipolar disorder. It discusses how blue light suppresses melatonin, disrupts circadian rhythms, and affects clock genes linked to psychiatric disorders. The podcast also explores how blue light impairs sleep, cognition, and mental health, and its connection to bipolar disorder. It emphasizes the need for reduced exposure to blue light from sources like smartphones and LED screens.
11:08
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Quick takeaways
- The biological clock plays a crucial role in bipolar disorder and regulates symptoms through lithium and behavioral therapies.
- Excessive exposure to blue light, especially in the evening, disrupts circadian rhythms and triggers or worsens symptoms of psychiatric disorders.
Deep dives
The Impact of Circadian Rhythms on Bipolar and Unipolar Depression
The biological clock, controlled by daily light and dark rhythms, plays a crucial role in bipolar disorder and to a lesser extent, unipolar depression. Lithium and various behavioral therapies work by regulating the biological clock. Disrupted circadian rhythms are also linked to other mental illnesses such as borderline personality disorder, substance use disorders, schizophrenia, ADHD, and PTSD. However, society's increasing exposure to indoor living and blue light from electronic gadgets is causing harm to patients. Excessive exposure to blue light, especially in the evening, disrupts circadian rhythms and can trigger or worsen symptoms of psychiatric disorders.
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