This alliterative affliction is named after the wizarding school in J. K. Rowling’s Harry Potter series, and is suffered by children embarking on marathon reading sessions of the 870-page “Harry Potter and the Order of the Phoenix.” Reports of Hogwarts headaches circulated wildly on the Internet, and no doubt prompted some parents, already worried about children lugging around 30-pound backpacks, to consider limiting their reading material.
I was expecting this…