CYP19A1 and diabetes mellitus: HyperparathyroidismEating disordersChronic malnutrition or malabsorptionHypogonadism or early menopause (40–45 years)Treatment with aromatase inhibitors, gonadotropin-releasing hormone agonistsActive smokingAlcohol (>3 U/day)Diabetes mellitus type 1Rheumatoid arthritisHyperthyroidismImmobilization