Light Tech

“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

Light regulates brain chemistry and circadian rhythms that control

mood, appetite, energy, sleep, libido and other body-mind functions.