Writing for The Conversation, Dr Ria Kodosaki and Dr Amanda Heslegrave (both UCL Queen Square Institute of Neurology) analyse how differences in immune function and declining oestrogen levels may help explain why women are diagnosed with dementia more than men. Women are more likely than men to be diagnosed with dementia. While researchers have some idea of the factors that elevate risk, it’s still not entirely clear why this happens. But a recent study suggests that the menopause could play a