 [ Symptoms ] i just wrapped a clinical trial with orencia which has been working well coupled with my mtx 9 tablets weekly  will anthem blue cross pay for this particular biologic if so is it covered 100 i heard there is reimbursement potential for orencia is there any truth to that [ Disease ] vitamin d has been found to have effects on immune function and inflammation earlier studies suggested a relationship of vitamin d to autoimmune conditions a group of women within the nurses health study was targeted with food and vitamin questionnaires there was no apparent association between increasing vitamin d intake and the risk of developing these autoimmune disorders