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Lifestyle, family history and progression of hypertension

Background Unhealthy lifestyle practices are risk factors for future hypertension. Objectives The aim of this study was to investigate the association between lifestyle changes over a 6-year period and the risk of developing sustained hypertension in a cohort of young hypertensive individuals, and to identify the predictors of lifestyle impairment over time. Methods Seven-hundred and eighty never-treated hypertensive HARVEST participants, 18–45 years old, were studied. Results Only modest mean behavioral changes were observed during follow-up. This, however, was the net result of many participants improving and others worsening their lifestyle. Participants with a family history of hypertension (FH+, n = 459) had more undesirable lifestyles (P = 0.004) and higher clinic and ambulatory blood pressures (P = 0.03) at baseline than participants without a family history of hypertension (FH−). During the 6-year follow-up, FH− individuals strikingly worsened their lifestyle while FH+ participants exhibited impressive improvements (P < 0.00001). Other predictors of lifestyle impairment were male gender (P = 0.003) and age (P = 0.02). Adoption of an unfavorable lifestyle was accompanied by an increased risk of developing sustained hypertension (P = 0.04). Initiation of drug therapy for hypertension was significantly higher among FH− than FH+ individuals (53 versus 45%, respectively; P = 0.045). Conclusions ‘Lower risk’ FH− stage 1 hypertensive individuals may initially be at higher risk of developing more severe hypertension in comparison with their FH+ counterparts. This increased risk may be attributed to worsening of their lifestyle profiles over time. Healthy lifestyles should be emphasized to all hypertensive individuals including patients with favorable lifestyle profiles.