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Mal-illumination . . . the silent epidemic

“We have finally learned that light is a nutrient much like food, and like food, the wrong kind can make us ill and the right kind can help keep us well.”

“Mal-illumination is to Light as Malnutrition is to Food.”

— Dr. John Ott
Health and Light / 3,000,000+ copies sold


Since the beginning of human history people has lived, worked, and played outdoors during the light of day, active and vibrant, absorbing the full spectrum of light energy photons from the sky. An average of 10 hours each day, 70 hours weekly, was common for eons. But in less than a mere two hundred years, millions of people have unwittingly become “contemporary cave dwellers” living and working indoors.

Mal-illumination is brought about by limiting our daily intake of full-spectrum daylight and supplementing it with too much artificial limited-spectrum indoor light, especially blue light at night, and by shielding ourselves from the sun with such things as tinted windows, windshields, sunglasses and suntan lotions.

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“We are all light deficient and this may be the source of our physical and emotional problems.”

—Dr. John Ott

Like malnutrition, mal-illumination causes deficiencies by depriving us of the sun’s vital ‘energetic nutrient’ wavelengths which enter the body through the eyes and skin. Sunlight striking the skin manufactures natural vitamin D while light entering the eyes regulates vital circadian rhythms that control appetite, energy, mood, sleep, libido, and other body-mind functions.

Every metabolic process, every enzyme reaction, muscular movements, the digestion of food, and the burning of fat are all biological processes that are augmented by sunlight energy. A reduction of ‘natural light energy’ causes a slowdown in these processes that leads to decreased metabolism, reduced burning of fat, reduced vitality, and compromised immunity.

The human body functions much like a green plant, collecting energy from the atmosphere. The nervous system may be described as a network of electrical wires which conduct photons of light energy. Light energy is collected by the skin and eyes; converted into photocurrent and channeled throughout the entire nervous system. 

This photocurrent is then distributed to the internal organs and cells via the individual nerves. In addition to activating sight in the visual cortex, photocurrent also travels to the brain’s main control center, the hypothalamus. Informed by photocurrent, the hypothalamus then helps regulate brain chemistry, essential hormones, and circadian rhythms.


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