I am 71, male. I am under tremendous stress, I cannot eat or sleep because I cannot quiet my racing mind. I have lost 25# in the last three months. I don t feel unwell, (except I can feel exhausted from sleeplessness) and in some ways I confess to enjoying the need to think-and sometimes get results-I like what I have worked out with my mind. My doctor found an elevated WBC count (17.6) with 1+poikilocytosis, 1+ ovalocytes, 1+ burr cells. ESR =26. Which is the more likely cause? Stress or cancer?