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Health and Light

the effects of natural and artificial light on man and other living things

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The story of John Ott's discovery of the role light plays in sustaining physical health is one of the true scientific breakthroughs of the last half century. It is the story of an observant, intelligent man who acted upon his observations and then supported them with scientific exploration. Health and Light has led many people to a greater understanding of the subtle role light plays in maintaining physical and emotional health.

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Health and Light, John Nash Ott

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Pubblicato
1976
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