Participants with higher CVH tended to be younger, female, Non-Hispanic White, better educated, with a partner, more affluent, without CVD, no fumes at work, no second-hand smoke at home, no family history of asthma, with lower WBC, Hb, PLT, eosinophil, CRP, 2-NAP, 1-PYR, Pb, and Cd. Here, GSTM1 is linked to asthma.