Books by Richard Hansler

Parkinson's Disease: Evidence that avoiding blue light during the hours before bedtime may delay/avoid the onset of sympttoms.
Richard Hansler

Bipolar Disorder(s): How Controlling Light May Improve Sleep and Reduce the Risk for Episodes of Mania and Depression
Richard Hansler

Great Sleep! Reduced Cancer!: A Scientific Approach to Great Sleep and Reduced Cancer Risk
Richard Hansler

Concussion: How blue blocking glasses can help heal your injured brain by maximizing natural melatonin
Richard Hansler

Prepare to bail out!
Richard Hansler

Avoid Alzheimer's Disease: Eliminate blue light at night
Richard Hansler

Great Sleep! Reduced Cancer! 2nd Edition: A Scientific Approach to Great Sleep and Reduced Risk of Cancer
Richard Hansler

LIGHT The Silent Killer: How exposing the eyes to ordinary light in the hours before bedtime, or during the night, is doubling the incidence of breast and prostate cancer
Richard Hansler

Heroes of Cancer Prevention Research: How Scientists Are Discovering the Environmental Factors in Modern Society That Increase the Incidence of Cancer and How to Overcome Them
Richard Hansler