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  • Title: [The Mediterranean diet improves the profile of male smokers compared with the diet recommended by the American Cholesterol Program (NCEP-I)].
    Author: Sánchez E, Jansen S, Castro P, Blanco A, López-Miranda J, Fuentes F, López-Segura F, Blanco J, Jiménez-Perepérez J, Pérez-Jiménez F.
    Journal: Med Clin (Barc); 1999 Feb 20; 112(6):206-10. PubMed ID: 10191482.
    Abstract:
    BACKGROUND: A study of the effect of smokers' diets on their atherogenic lipidic profile. SUBJECTS AND METHODS: 41 healthy males (32 non-smokers and 9 smokers) consumed consecutively a diet low in fat and rich in carbohydrates (28% total fat content < 10% saturated fats, and 57% carbohydrates), and a diet rich in monounsaturated fatty acids (38% total fat content with 22% monounsaturated fats). At the end of each dietary period, adhesion was confirmed by quantification of LDL cholesterol esters, plasma lipids and insulin levels. RESULTS: There were no significant differences between the age or the body mass of the groups of smokers or non-smokers. After both diets tobacco was found to have a significant effect on triglyceride levels (p < 0.0007), HDLc (p < 0.007), apo A-I (p < 0.02) and the LDLc/HDLc ratio (p < 0.005), revealing an interaction between diet and both HDLc levels (p < 0.004) and LDLc/HDLc ratios (p < 0.003). With the low fat and high monounsaturated fatty acid content diets smokers presented higher triglyceride levels (both with p < 0.0002) and LDLc/HDLc ratios (p < 0.0002 and p < 0.05, respectively) and lower levels of apo A-I (p < 0.002 and p < 0.004, respectively). However, in smokers the HDLc levels were only reduced after the low fat diet (p < 0.0003) and after the diet with a high monounsaturated fat content there was a rise in HDLc levels (p < 0.02) and a drop in the LDLc/HDLc ratio (p < 0.005) compared to the group of non-smokers. There were no significant differences in the insulin levels between groups. CONCLUSION: The atherogenic lipidic profile of smokers is due to an effect of tobacco on the lipidic metabolism. This atherogenic profile is accentuated with a low fat diet rich in carbohydrates and can be rectified to some degree with a diet with a high monounsaturated fatty acid content.
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