Vitamin D Winter
Vitamin D is one of the main topics of my forthcoming book, The Sun Companion. It is critical for you and your family to get this vitamin/hormone in the right amount. I used to think that I was not deficient. After all, I live in California and I am... [Read more]
Risk Factors for Vitamin D Deficiency
I’ve listed some of the specific risk factors for vitamin D below. Which ones apply to you and your family members? Not enough exposure to sunshine when vitamin D producing UV-B rays are abundant. Dark pigmented skin without enough sun exposure. Daily... [Read more]
Vitamin D Deficiency and Cancer
Dr. Lani Simpson, D.C. Excerpted from her forthcoming book,The Sun Companion As we are nearing winter months, I am concerned that many of my readers are vitamin D deficient and unaware of it. In this newsletter we will focus on vitamin D deficiency and... [Read more]
Quest Acknowledges Errors in Vitamin D Tests
As I mentioned in my December newsletter on vitamin D, the testing procedure that Quest lab uses for vitamin D (25 hydroxyvitamin D), will give a false reading – 30% higher than the actual vitamin D level. On January 9, 2009, the New York Times... [Read more]
How the skin produces Vitamin D: Free 10-minute podcast with Dr. Simpson on Vitamin D
Click below to listen to a short 10 minutes podcast with Dr. Lani Simpson, D.C. Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your... [Read more]
Vitamin D testing at Home
Why test Vitamin D? Vitamin D deficiency is very common, particularly in northern climates with little sunshine. Vitamin D has been found to be important in protecting the body from a wide range of diseases, including cardiovascular disease, stroke,... [Read more]

