Blood was taken from six healthy volunteers seen twice in two weeks. All volunteers were Caucasian, healthy, not on medication and non-fasted. Complete blood counts were determined by standard procedures and included: cell counts (white cells, erythrocytes, leukocytes, platelets, neutrophils, lymphocytes, monocytes, eosinophils and basophils), hemoglobin, hematocrit and erythrocyte indices (mean corpuscular volume, mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration). All subjects fell within normal ranges for the major cell populations.