An Overview of Seasonal Affective Disorder and How to Treat It

An Overview of Seasonal Affective Disorder and How to Treat It

Exposure to light can cause our biological clock to advance or delay, which affects our sleep and wake cycle. We need strong regular light signals to have our circadian rhythms on track. Indeed,  light is the most essential factor which controls our internal body clock. Sunrise and sunset used to do the job, but owing to the vicissitudes brought by modern life, these rhythms are disrupted which can lead to health problems, including sleeping disorders, and can affect our mood and general well-being. Seasonal Affective Disorder is a serious matter that needs to be address since the World Health Organization characterised depression as the ‘disease of the century’

Dr Norman Rosenthal is a South African author, psychiatrist and scientist who in the 1980s first described winter depression or seasonal affective disorder (SAD), and pioneered the use of light therapy for its treatment. 

On 22nd September 2017, I attended the seminar, Beat Winter Depression With Dr Norman Rosenthal held in London, and I had the opportunity to interview Dr Rosenthal to talk about SAD and light therapy.

The event was sponsored by Cambridge-based light therapy specialist Lumie. Since 1991 Lumie has been researching and designing bright lights to treat seasonal affective disorder (SAD) and other conditions. 

Dennis Relojo is the Founder of Psychreg and is also the Editor-in-Chief of Psychreg Journal of Psychology. Aside from PJP, he sits on the editorial boards of peer-reviewed journals, and is a Commissioning Editor for the International Society of Critical Health Psychology. A Graduate Member of the British Psychological Society, Dennis holds a master’s degree in psychology from the University of Hertfordshire. His research interest lies in the intersection of psychology and blogging. You can connect with him through Twitter @DennisRelojo and his website.


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