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.

— DR. JOHN OTT
HEALTH AND LIGHT
3,000,000+ copies sold
  • Alzheimer’s Disease and Related Dementia

    Persons with ADRD exhibit random patterns of rest and activity rather than the consolidated sleep/wake cycle found in healthy, older adults. This lack of sleep consolidation is one of the main reasons why they are institutionalized. Light therapy has been shown to improve rest/activity rhythms and sleep efficiency.
  • Bipolar Depression

Patients with bipolar disorder have recurrent major depression, residual mood symptoms, and limited treatment      options.  A Northwestern University study provides robust evidence that supports the efficacy of midday bright light therapy for bipolar depression.
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    Daily sessions of bright light exposure improve sleep quality in fatigued cancer survivors.
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  • Cognitive Function:

    Factors such as aging and disease may affect cognitive function over time, resulting in issues like memory loss and trouble thinking of the right words while speaking or writing.
  • Computer Vision Syndrome:

    Studies suggest that a high percent of computer users, whether for work or play, have multiple symptoms of CVS beyond vision and burning, itching, red eyes.
  • Depression / SAD:

    Depression can happen at any age, but often begins in adulthood. Depression (major depressive disorder or clinical depression) is a common but serious mood disorder. It causes severe symptoms that affect how you feel, think, and handle daily activities, such as sleeping, eating, or working.
  • Electrosmog / Brain Fog:

    Invisible radiation from electrosmog can cause brain fog & electrosensitivity (ES) that inhibits vital oxygen supply.
  • Libido:

    Study shows that light therapy can increase a man’s testosterone levels and, in turn, his sexual satisfaction, according to new research.
  • Light Hygiene:

    Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases, according to the World Health Organization.

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