Migraine with aura is a severe headache preceded by symptoms such as seeing flashing lights, temporary visual loss, speech problems or numbness of the face.

BBC: Epilepsy and migraine 'could have shared genetic link'

When you turn on the TV in Sudan, you're bombarded with adverts for weight-loss products, with images of svelte Lebanese and Egyptian women flashing across the screen, and this undoubtedly has an effect, says Bedri.

BBC: Slim in Sudan: Female fleshiness loses its allure