THE LIGHT DOCTOR 8: Creating Healthy Circadian Light
The Sun delivers abundant light across all visible wavelengths, providing ample illumination and healthy rays at zero energy cost, even on an overcast day. In comparison, electric light can only be a pale imitation of sunlight. Because of indoor glare and reflections, electric lighting must always be hundreds of times less bright and deliver considerabl…
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Christie Applegate
Update: 2024-12-03