How much sunshine should I get to make enough Vitamin D?

The Vitamin D Cure is a breakthrough self-help book that takes the most recent scientific ideas and provides a practical program to promote the reader’s health. Here is some of what the Vitamin D Cure provides: • Explains how vitamin D works in health and how deficiency causes disease. • … [Read more...]

Vitamin D Testing Errors Continue

A recent article in the New York Times highlighted an ongoing problem with the accuracy of vitamin D testing at the largest commercial clinical laboratory, Quest Diagnostics. It has become clear from shared experience among vitamin D experts, including myself, that Quest Diagnostics has a problem … [Read more...]

Live Long and Prosper

This week saw the publication of another study showing a 26 percent greater all-cause mortality with vitamin D levels below 17.8 ng/mL when compared to vitamin D levels above 32 ng/mL in adults older than 20 from the National Health and Nutrition Examination Survey (NHANES) III (1988-1994). This … [Read more...]