Vitamin D has been shown to effect endothelial tissue and low vitamin D status has been linked to endothelial dysfunction in several studies. Endothelial dysfunction is thought to be the major cause of Erectile Dysfunction (ED). Last month a paper originally published in August of this year by Dr. Alessandra Barassi and colleagues over at the San Paolo Hospital, University of Milan, Italy, appeared in the Journal of Sexual Medicine. They looked at Vitamin D status in a cohort of 143 men diagnosed with clinical ED. Diagnosis and severity of ED was based upon the IEFF-5 assessment score system and men were classified as either arteriogeinc, borderline aretriogenic or non-nrteriogenic using Echo Color Doppler. Doppler readings were take while flaccid and after a single Prostaglandin 1E injection to cause spontaneous erection. This allowed for the Doppler to view a blood-engorged Corpus Cavernosum and classify the men. Both serum 25-OH-D and Parathyroid hormone...
