Dr. Joshua Rosenthal talks about how sunlight can help regulate our Circadian rhythm and promote good health while blue light ...

Now that my book, The Light Doctor, has been published, I will delve into specific in-depth questions about healthy and unhealthy lighting. I will also update you with the latest research findings, ...

It’s inevitable: Fabrics and artwork will fade over time, but that fading can slow down with the right care. To help your clients take better care of their new fabrics and artworks, Lighting Doctor ...

DEAR DR. ROACH: I have neuropathy in my left foot. It feels very hot on the bottom. My neurologist thinks it is from my sugar level, but I got my A1C down from 6.2% to 5.6% and do not have neuropathy ...