Zika virus, Leaving care, Pain study, Kat Arney

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US health officials have warned pregnant women not to travel to 21 South American countries or territories amid concerns over the Zika virus, an illness which can cause severe birth defects. Last week the Brazilian authorities said the number of babies born with suspected microcephaly or abnormally small heads since October had reached nearly 4,000 and they believed the increase was caused by the mosquito-borne Zika virus. 18 year old Chloe and her foster-mother talk about the teenager's decision to leave home. Dr Katy Vincent on the new University of Oxford and Trust study, the first of its kind, looking at the link between chronic pain and hormones that control the menstrual cycle and reproductive function. The language of genetics is one that has filtered into public consciousness. But do we really understand how our genes influence things like our eye colour? Science writer Kat Arney talks about her new book, Herding Hemingway's Cats, which sets out to explain how our genes work. Taiwan has elected its first female president. Tsai Ing-wen is already being described as the most powerful woman in the Chinese speaking world. We find out more. Presented by Jane Garvey Produced by Jane Thurlow.