The pandemic of Coronavirus stirred a huge interest in vitamin D by the public as well as by researchers around the world. The big question everyone asks, "Is there any scientific evidence that vitamin D may prevent as well as treat COVID-19?" The simple answer is Yes. But only if the dose is correct.In "Power of Vitamin D", Dr. Sarfraz Zaidi, MD - a former Assistant Professor of Medicine at UCLA - elaborates on the excellent clinical studies which provide scientific evidence that vitamin D may be able to not only reduce your chances of catching COVID-19, but also reduce your mortality in case you end up getting it. Dr. Zaidi provides the precise dose of vitamin D against COVID-19.Besides COVID-19, vitamin D is extremely important for maintaining our health. It affects every organ system in the body - from immune system to heart to kidneys to skin and the bones, to name a few.Dr. Zaidi explains why most people continue to be low in Vitamin D---despite the vitamins they take, the food they eat, the milk they drink or the sun exposure they get. In "Power of Vitamin D", you will learn: -Why we are facing a true Pandemic of Vitamin D deficiency.- The crucial role Vitamin D may play in the Prevention as well as Treatment of various Cancers.- How Vitamin D may help Prevent Diabetes, Coronary Heart Disease, Hypertension and Kidney Disease.- How Vitamin D may Prevent as well as Treat Muscle Aches, Chronic Fatigue, Fibromyalgia, Bone Pains and Osteoporosis.- The vital role that Vitamin D plays to help you fight off Colds, Flu and other infections by boosting up your Immune System.- How Vitamin D may Prevent as well as Treat Autoimmune diseases such as Asthma, Lupus, Arthritis, Crohn's Disease, Ulcerative Colitis and Thyroid Diseases.- How Vitamin D may Prevent as well as Treat Multiple Sclerosis, Autism, Alzheimer's dementia, Parkinson's disease, and other neurologic diseases- The essential role of Vitamin D during Pregnancy for Mothers and Babies.- Doctor often miss the Diagnosis of Vitamin D deficiency because they order the wrong test.- The right test to Diagnose Vitamin D deficiency- The best way to Prevent and Treat Vitamin D deficiency.- What is Vitamin D Toxicity and how to Prevent it.- Amazing health benefits of Calcium And Magnesium. How much you need. - Incredible health benefits of Vitamin K2 and its synergism with Vitamin D."Power Of Vitamin D" empowers you with the scientific, in-depth yet practical knowledge that you can implement right away to ta