求翻译：许多研究认为，吸烟是许多心、脑血管疾病的主要危险因素，吸烟者的冠心病、高血压病、脑血管病及周围血管病的发病率均明显升高。统计资料表明，冠心病和高血压病患者中75%有吸烟史。冠心病发病率吸烟者较不吸烟者高3．5倍，冠心病病死率前者较后者高6倍，心肌梗塞发病率前者较后者高2～6倍，是什么意思？

Many studies suggest that smoking is a lot of heart, the main risk factors for cerebrovascular disease, smokers with coronary heart disease, hypertension, cerebrovascular disease and peripheral vascular disease incidence rates significantly higher. The statistics show that 75% of coronary heart dise

Many studies suggest that smoking is that many heart disease and cerebrovascular disease, and the main risk factors of coronary heart disease, smoking, high blood pressure, cardiovascular disease and cerebrovascular disease and around the incidence increases significantly. Statistics indicate that c

Many research believed that, smoking is permits oversensitive, the blood vessel of brain disease primary dangerous factor, smoker's coronary disease, hypertension sickness, the cerebrovascular disease and periphery angiopathy disease incidence rate obviously elevates.The statistical data indicated t

Many studies suggest that smoking is many of the major risk factors of cardiac and cerebral vascular disease, smokers of coronary heart disease, hypertension, cerebrovascular disease and peripheral vascular disease incidence increased markedly. Statistics show that 75% a history of smoking in the pa