A 47 yrs old male having Hd-17.1, PCV-52.10, RBC count -6.56, MCV--79.40, mch--26.10, mchc--32.8, rdw-16.4, TLC--9.24, p=52, l-33, m-8, e-7, platelet 2.96.,, spo2 95% for last one year,..non smoker,had episodes of wheezing othere vise no respiratory distress He is a case of chronic bronchitis. How to explain high Hb and RBC and what to do?