Weight loss and disease prevention associated with Vitamin D in recent studies is astonishing. Several recent scientific studies are now showing that many individuals struggling with weight actually are vitamin D deficient and can significantly improve fat burning capacity when vitamin D levels are properly regulated. Furthermore, Vitamin D has been associated with potentially preventing disease ranging from the flu to cancer due to its role in the immune system. Unfortunately, routine testing of vitamin D levels is not done in physician's offices because much of this research is so recent. In this book, Dr. Mir Joffrey, MD provides a comprehensive yet concise review of recent discoveries relating to properly regulated blood vitamin D levels. It is a must read for anyone struggling with weight loss or any other unexplained ailments that are looking for potential ideas as to the source of their health problems.