Abstract
Background and aims: Increased plasma total homocysteine (Hcy) is a known cardiovascular disease (CVD) risk factor, related to several components of the established CVD risk profile. Observational studies support the role of modifying life-style related risk factors such as diet, physical activity and alcohol consumption in CVD prevention. Regular physical activity protects against coronary artery disease, possibly through its role in controlling risk factors such as hypertension, diabetes mellitus and obesity, but also independently. The aim of our study was to test the hypothesis that there is an association between physical activity, life-style habits and plasma Hcy levels in an elderly population. Methods: In this cross-sectional study, 423 males and females aged 69.0±6.7 years completed an interview and laboratory examinations. Our main outcome measure was plasma levels of Hcy. Results: Mean Hcy values were 10.5±5.5 μmol/L (11.4±6.1 for males and 9.3±4.5 for females; p<0.001). Smoking and BMI were not found to be associated with Hcy levels. Physically active subjects, as well as B vitamin supplement users, had significantly lower Hcy levels (p=0.002 and p=0.004, respectively). In a multiple linear regression model, the Hcy level was 10% higher amongst participants with a sedentary life-style, 17% higher amongst males, 1% higher for each one-year increment in age, and 10% higher amongst participants who used no B vitamin supplements. Conclusions: Any level of physical activity was found to be an independent life-style habit associated with a lower Hcy level in an elderly population. This study supports existing recommendations for elderly persons to maintain a physically active life-style.
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Dankner, R., Chetrit, A., Lubin, F. et al. Life-style habits and homocysteine levels in an elderly population. Aging Clin Exp Res 16, 437–442 (2004). https://doi.org/10.1007/BF03327398
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DOI: https://doi.org/10.1007/BF03327398