A: I have been having a lot of headaches lately. B: Have you been having these headaches for a long time? A: I have had headaches my whole life, but they have been getting worse lately. B: Have you been under a lot of stress lately? A: I've been under stress, but no more than usual. B: Have you been getting enough sleep lately? A: No, I only sleep a few hours a night. B: Have you had any head injuries lately? A: Yes, actually I fell skiing last week and hit my head. B: I am going to send you for a CT scan, and I will see you again when we see the results.