. . "However, in the past few years, there has been an explosion of research linking Vitamin D deficiency to a wide range of medical conditions ranging from osteoporosis, multiple sclerosis, heart disease, many different types of cancer, depression, rheumatoid arthritis, PCOS, influenza, prostate health, infertility, high blood pressure, diabetes, seasonal affective disorder, migraines, and more. (Plea" . . .