Like the spinning blue circle on a computer screen when something stops working - that's how Karen Fisher describes the imminent arrival of a migraine.
"It's like my brain just stops working ... it's like it's buffering,'' Ms Fisher says.
Like the spinning blue circle on a computer screen when something stops working - that's how Karen Fisher describes the imminent arrival of a migraine.
"It's like my brain just stops working ... it's like it's buffering,'' Ms Fisher says.