Mercola on Hormone D &CV. Passed fact check https://articles.mercola.com/sites/articles/archive/2020/07/09/optimal-vitamin-d-levels-for-coronavirus-crisis.aspx?cid_source=dnl&cid_medium=email&cid_content=art1HL&cid=20200709Z1&mid=healthrtlucm20200709z1&rid=912489753
