Vitamin D Deficiency Research and Lung Infections COVID-19 and Asthma

This is a must watch for understanding Vitamin D and its role in COVID-19 and other lower respiratory tract infections and asthma. I cover the blood levels of Vitamin D and how it relates to genetic expression and what factors cause a decrease in Vitamin D function. Please join Dr. Paul Frank R.N., D.C. for the latest research on Vitamin D. April 2020.