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4 Health Behaviors Can Add 14 Extra Years of Life |
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From EurekAlert! - Breaking News: People who adopt four healthy behaviours -- not smoking; taking exercise; moderate alcohol intake; and eating five servings of fruit and vegetables a day -- live on average an additional fourteen years of life compared with people who adopt none of these behaviours, according to a study published in the open access journal PLoS Medicine. Rather than focusing on how an individual factor is related to health, the study calculates the combined impact of these four simply-defined forms of behaviour. There is overwhelming evidence showing that lifestyles such as smoking, diet and physical activity influence health and longevity but there is little information about their combined impact. Furthermore the huge amount of information provided by these studies and the varying definitions of a health behaviour that these studies use can often make them confusing for public health professionals and for the general public. In order to examine the combined impact of changes in lifestyle, Kay-Tee Khaw and colleagues from the University of Cambridge and the Medical Research Council used a health behaviour score that is easy to understand in order to assess the participants in the study (who were from Norfolk, United Kingdom). Between 1993 and 1997, 20,000 men and women between the ages of 45 and 79, none of whom had known cancer or heart or circulatory disease, completed a questionnaire that resulted in a score between 0 and 4. The results of this study need to be confirmed in other populations and an analysis of how the combined health behaviours affect quality of life is also needed.
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