戒烟对长寿的益处。
Benefits of smoking cessation for longevity.
作者信息
Taylor Donald H, Hasselblad Vic, Henley S Jane, Thun Michael J, Sloan Frank A
机构信息
Center for Health Policy, Law and Management, Terry Sanford Institute of Public Policy Studies, Duke University, Durham, NC 27708, USA.
出版信息
Am J Public Health. 2002 Jun;92(6):990-6. doi: 10.2105/ajph.92.6.990.
OBJECTIVES
This study determined the life extension obtained from stopping smoking at various ages.
METHODS
We estimated the relation between smoking and mortality among 877,243 respondents to the Cancer Prevention Study II. These estimates were applied to the 1990 US census population to examine the longevity benefits of smoking cessation.
RESULTS
Life expectancy among smokers who quit at age 35 exceeded that of continuing smokers by 6.9 to 8.5 years for men and 6.1 to 7.7 years for women. Smokers who quit at younger ages realized greater life extensions. However, even those who quit much later in life gained some benefits: among smokers who quit at age 65 years, men gained 1.4 to 2.0 years of life, and women gained 2.7 to 3.7 years.
CONCLUSIONS
Stopping smoking as early as possible is important, but cessation at any age provides meaningful life extensions.
目的
本研究确定了在不同年龄戒烟所带来的寿命延长情况。
方法
我们估计了癌症预防研究II的877243名受访者中吸烟与死亡率之间的关系。这些估计值被应用于1990年美国人口普查数据，以研究戒烟对长寿的益处。
结果
35岁戒烟的吸烟者，男性的预期寿命比持续吸烟者长6.9至8.5年，女性长6.1至7.7年。戒烟越早，寿命延长越多。然而，即使是那些在晚年才戒烟的人也能获得一些益处：65岁戒烟的吸烟者中，男性多活1.4至2.0年，女性多活2.7至3.7年。
结论
尽早戒烟很重要，但在任何年龄戒烟都能显著延长寿命。
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