October 28, 2021

Light therapy to prevent depression


OUR ADVICE – Lack of energy, mood swings, anxiety … 4 to 10% of the population suffer from seasonal depression in France.

Chronic fatigue, stress, lack of appetite, difficulty falling asleep… Perhaps you have winter blues? Also called seasonal depression, this syndrome of seasonal affective disorder (SAD) corresponds to a mild to moderate depression, generally transient, which begins between the months of September and December. While the body is exposed to around 50,000 lux in summer, it has to put up with 2,000 lux in winter. Normally, 4 to 10% of the population suffer from this syndrome in France and especially in the Nordic countries. But during the Covid period, with the spread of teleworking and travel limitations, the population, especially in cities, suffers even more from the absence of strong light. The result is a lack of energy, mood swings, cravings, anxieties… And an exacerbated fragility to viruses!

They are the American psychiatrist Norman E. Rosenthal and his colleagues at the National Institute of Mental Health in the United States.

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