AIMS: To investigate the association between smoking and leptin, and to discuss their influence on diabetes in a large-scale study of Japanese men. METHODS: A cross-sectional study was carried out in 2002. The subjects were 2836 men aged 35-66. Smoking history was investigated in a self-administered questionnaire. Blood leptin, glucose and insulin were measured. RESULTS: Significant differences in leptin levels and homeostasis model assessment of insulin resistance (HOMA-IR) related to smoking status were observed (P=0.001 and P=0.008, respectively). The multivariate-adjusted geometric means of leptin in current, past and never smokers were 3.88, 4.08 and 4.12 ng/ml, respectively, while the means of HOMA-IR were 1.64, 1.61 and 1.49, respectively. The age-, body mass index-, and other lifestyle-adjusted prevalences of diabetes in current and never smokers were 9.2 and 4.7%, respectively. That of current smokers was significantly higher than in never smokers (P<0.001). The dose-dependent association found between the intensity of smoking and leptin levels in current smokers was statistically significant (P=0.030). CONCLUSIONS: The present finding may explain in part an association among smoking, leptin levels and diabetes. Smoking is one of the important modifiable risk factors for the prevention of diabetes.
AIMS: To investigate the association between smoking and leptin, and to discuss their influence on diabetes in a large-scale study of Japanese men. METHODS: A cross-sectional study was carried out in 2002. The subjects were 2836 men aged 35-66. Smoking history was investigated in a self-administered questionnaire. Blood leptin, glucose and insulin were measured. RESULTS: Significant differences in leptin levels and homeostasis model assessment of insulin resistance (HOMA-IR) related to smoking status were observed (P=0.001 and P=0.008, respectively). The multivariate-adjusted geometric means of leptin in current, past and never smokers were 3.88, 4.08 and 4.12 ng/ml, respectively, while the means of HOMA-IR were 1.64, 1.61 and 1.49, respectively. The age-, body mass index-, and other lifestyle-adjusted prevalences of diabetes in current and never smokers were 9.2 and 4.7%, respectively. That of current smokers was significantly higher than in never smokers (P<0.001). The dose-dependent association found between the intensity of smoking and leptin levels in current smokers was statistically significant (P=0.030). CONCLUSIONS: The present finding may explain in part an association among smoking, leptin levels and diabetes. Smoking is one of the important modifiable risk factors for the prevention of diabetes.
Authors: Y Nakamura; H Ueshima; N Okuda; K Miura; Y Kita; T Okamura; T C Turin; A Okayama; B Rodriguez; J D Curb; J Stamler Journal: Nutr Metab Cardiovasc Dis Date: 2010-08-03 Impact factor: 4.222
Authors: Vijayamurugan Eswaramoorthi; Muhammad Zulhusni Suhaimi; Mohamad Razali Abdullah; Zulkefli Sanip; Anwar P P Abdul Majeed; Muhammad Zuhaili Suhaimi; Cain C T Clark; Rabiu Muazu Musa Journal: Int J Environ Res Public Health Date: 2022-06-07 Impact factor: 4.614