A very recent study finds that: 1. ingested vitamin D is immunosuppressive 2. low blood levels of vitamin D may be a _result_ of the disease process and 3. S

A very recent study finds that: 1. ingested vitamin D is immunosuppressive 2. low blood levels of vitamin D may be a _result_ of the disease process and 3. Supplementation may make the disease worse. http://www.sciencedaily.com/releases/2008/01/080125223302.htm http://www.sciencedaily.com/releases/2008/01/080125223302.ht... So PI 9 is on point: we should go out in the sun. And you can't wear sunscreen and get vitamin D from the sun.