Have high hb count of 18.4 pls suggest the reason for high hb I am non smoker not living in high altitude The test results are H b 18.4 Hct  50.9 Tc   7.8 Pet  154 Serum urea 24 Serum creatine  0.96 Total chlorestrol 243 Triglycerides  214 Hdl              38 Ldl          208 Vldl          36 Bilirubin     1.12 Direct Bilurubin 0.33 Ast       40 ALT      71 ALP      118 Total Protiens   7.68 ALb            5.08 My usg is showing bilateral raised renal cortical echogenicity however kft is normal Grade 1 fatty liver. Grade 1 prostateomegaly