INS and polycystic ovary syndrome: Databases were searched using the Boolean operators “AND” and “OR” as follows: (("seborrheic dermatitis") AND ("comorbidities" OR "PCOS" OR "polycystic ovary syndrome" OR "insulin resistance" OR “metabolic syndrome” OR "hypertension" OR "Parkinson’s Disease" OR "obesity" OR "diet" OR "nutrition" OR "acute coronary disease" OR "osteoarthritis")).