By Isobel Williams & Zahra Khaliq Women with polycystic ovary syndrome (PCOS) may be more likely to suffer poor memory and thinking problems in middle age, a new study warns. PCOS is a hormonal disorder affecting about 1 in every 10 women in the UK. It is characterised by irregular menstruation and elevated levels of a hormone called androgen. Those who have it may find they suffer symptoms such as excess hair growth, acne, infertility and poor metabolic health. The condition has been previously linked with obesity and diabetes, which can both lead to heart problems. Now, a new study has disco…