Health & Light by Dr. John Ott

Health & Light by Dr. John Ott
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Product Description

Health & Light The Extraordinary Study That Shows How Light Affects Your Health and Emotional Well-Being by Dr. John Ott

Ott's groundbreaking work includes how light effects plants, animals and the human endocrine system.

Covers the importance of sunlight, the effects of artificial light, and the development of full spectrum light.