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Journal of the American Medical Association
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Healthy lifestyle lowers SCD risk
Up to 80% of sudden cardiac death (SCD) amongst women could be attributable to unhealthy lifestyle practices, according to a study published recently in the Journal of the American Medical Association.1
The lifestyles of 81,722 US women were assessed in the Nurses’ Health Study through questionnaires every two to four years, from June 1984 to June 2010. A low-risk lifestyle was defined by four factors: not smoking, a body mass index of less than 25, exercise duration of 30 minutes/day or longer, and top 40% of the alternate Mediterranean diet score.
Authors found that adherence to a low-risk lifestyle was associated with a low risk of SCD. Their results show that the multivariable relative risk of SCD was 0.08 for those with four low-risk factors, 0.33 for those with three, 0.41 for those with two and 0.54 for those with one, compared with women who had none. The proportion of SCD attributable to smoking, inactivity, overweight, and poor diet was 81%.
References
1 Chiuve SE, Fung TT, Rexrode KM, et al. Adherence to a low-risk, healthy lifestyle and risk of sudden cardiac death among women. JAMA 2011;306:62–9.
Published on: September 28, 2011
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