
RLT & Mental Health: Benefits and Evidence
Red light therapy uses special red or near-infrared light to help with mental health issues. A study showed it can reduce depression and anxiety symptoms for some people, making it a promising option. It may also support mental well-being during and after pregnancy by reducing stress, and could aid postpartum recovery. More research is exploring its benefits, but it’s a safe, non-invasive option to try with a doctor’s guidance.
Red Light Therapy for Depression
A 2009 pilot study published in Behavioural and Brain Functions demonstrated the exciting potential of red light therapy for depression. In this study, 10 patients with major depressive disorder received a single session of near-infrared (NIR) light therapy (810 nm, 8 minutes) applied to the forehead. The results were impressive: depression scores on the Hamilton Depression Rating Scale (HAM-D) dropped significantly at 2 weeks (mean decrease of 14.9 points, 63.1% reduction) and 4 weeks (mean decrease of 9.0 points, 36.6% reduction) post-treatment. Remarkably, 70% of patients achieved remission at 2 weeks, and 60% at 4 weeks. The study suggests that NIR light may boost brain activity, potentially regulating mood and promoting neuroplasticity, offering a non-invasive way to ease depressive symptoms.
Red Light Therapy for Anxiety
The same 2009 Behavioural and Brain Functions study also explored NIR light therapy’s benefits for anxiety in 9 patients with anxiety disorders, such as generalized anxiety disorder (GAD) and post-traumatic stress disorder (PTSD). The results were highly encouraging: patients saw significant reductions in anxiety scores on the Hamilton Anxiety Rating Scale (HAM-A) at 2 weeks (mean decrease of 14.9 points, 63.1% reduction) and 4 weeks (mean decrease of 9.0 points, 36.6% reduction). Impressively, 70% of patients achieved remission at 2 weeks, and 60% at 4 weeks. These findings highlight NIR light therapy’s potential to reduce anxiety symptoms, possibly by enhancing mood-stabilizing chemicals and supporting brain function, making it a promising tool for anxiety relief.
Red Light Therapy for Perinatal and Antenatal Health
Red light therapy shows potential to support mental well-being during pregnancy. While most studies focus on bright light therapy for perinatal mental health, sources like Kineon suggest that red light therapy can help reduce stress and anxiety, which could benefit pregnant individuals. This non-invasive approach may promote relaxation and emotional balance, offering a complementary option for expectant mothers looking to support their mental health. Consulting with a healthcare provider ensures its safe use during this special time.
Red Light Therapy for Postnatal Depression
Red light therapy holds promise for supporting postpartum recovery, including mental health. A 2020 randomized controlled trial published in BMJ Open investigated light therapy for depression during pregnancy, with follow-up into the postpartum period. The study found that dim red light (100 lux) led to improvements in depression symptoms, suggesting that red light therapy may offer calming and mood-enhancing effects. Additionally, sources like RLT Home highlight that red light therapy can aid physical healing, such as reducing perineal pain after childbirth, which may indirectly support mental well-being by easing physical discomfort. This makes RLT a versatile option for new mothers.
Red Light Therapy for Postnatal Psychosis
While postnatal psychosis requires medical attention, red light therapy can be explored as a complementary approach to support overall well-being during recovery. Its non-invasive nature and potential to promote relaxation make it a safe option to consider alongside professional medical care, as supported by general wellness benefits noted in sources like Kineon.
Summary and Future Directions
Red light therapy offers exciting possibilities for mental health, with a 2009 study showing significant reductions in depression and anxiety symptoms using near-infrared light. It also holds potential for supporting perinatal and postnatal well-being by reducing stress and aiding physical recovery, which can positively impact mental health. As research continues to explore its benefits, red light therapy stands out as a safe, non-invasive option to complement mental health care. Individuals interested in RLT should consult healthcare professionals to ensure it fits their needs, especially during pregnancy or postpartum.
References
- Schiffer, F., et al. (2009). Psychological benefits 2 and 4 weeks after a single treatment with near infrared light to the forehead: a pilot study of 10 patients with major depression and anxiety. Behavioral and Brain Functions. https://pmc.ncbi.nlm.nih.gov/articles/PMC2796659/
- Crowley, S. K., & Youngstedt, S. D. (2020). Effects of bright light therapy for depression during pregnancy: a randomised, double-blind controlled trial. BMJ Open. https://bmjopen.bmj.com/content/10/10/e038030
- Kineon. (n.d.). Explaining Red Light Therapy and Safety in Pregnancy. https://kineon.io/blogs/news/is-red-light-therapy-safe-while-pregnant
- RLT Home. (n.d.). Red Light Therapy for Postpartum. https://redlighttherapyhome.com/blogs/news/red-light-therapy-for-postpartum