Vitamin D is the hottest development in medical science, and in this compelling new book Ian Wishart brings together the most up to date science on vitamin D and how it could well save your life? Cancer? A 77% reduction in risk of developing it if you take this vitamin? Heart disease? The same kind of reduction. Did you know that autism, mental illness and multiple sclerosis all appear to be caused by a lack of vitamin D during pregnancy? Did you know that ADHD and asthma appear to result from that same deficiency? The lives of every single New Zealander, including YOU, will be affected by the information in this book.