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NewYork-Presbyterian Hospital The University Hospital of Columbia and Cornell

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Recent Questions:

  1. Is it possible that working in an office (for between 3-7 hours at a time) with no natural light at all, and fluorescent tubes that are not designated "full spectrum light" might cause continual depression similar to SAD?
  2. Is halogen light (provided any UV is filtered out and one can stand the heat) an alternative light generating method for light therapy?
  3. I have had insomnia for 2.5 years now, taking several medications. Have you studied if light therapy can be helpful to insomnia sufferers?
  4. I haven’t heard of negative air ionization therapy before. What is it?
  5. Wouldn’t more outside light benefit me as much as a light box could?
  6. I was just wondering what your studies have shown on the application and effectiveness of broad vs. full spectrum light box sources for bright light therapy solutions. From what I have read, it looks like full spectrum might be the way to go as long ...
  7. Does seasonal affective disorder subside in more temperate climates?
  8. Are light visors effective in treating SAD? I have found one that emits 2500 lux. Is this light output strong enough to counteract SAD?
  9. In the answer to another question you distinguished between full-spectrum and broad-spectrum ligths. What is the difference, and what kinds of lights produce each?
  10. I work in a cubicle with 6-foot high panels, so I don't get any natural light during the day. I have just started using a 10,000 lux light box upon waking. Would it be helpful to also use a desk lamp version of the light box for a short period of t ...