Do you have the four healthy living habits?
Overwhelming evidence has shown that these things contribute to healthier and longer lives, but the new study actually quantified their combined impact, the British team said.
"These results may provide further support for the idea that even small differences in lifestyle may make a big difference to health in the population,” the researchers wrote in the journal PLoS Medicine.
Between 1993 and 1997 the researchers questioned 20,000 healthy British men and women about their lifestyles. They also tested every participant's blood to measure vitamin C intake1, an indicator2 of how much fruit and vegetables people ate.
After allowing for age and other factors that could affect the likelihood of dying, the researchers determined4 people with a score of 0 were four times as likely to have died, particularly from cardiovascular disease.
The researchers, who tracked deaths among the participants until 2006, also said a person with a health score of 0 had the same risk of dying as someone with a health score of 4 who was 14 years older.
The lifestyle change with the biggest benefit was giving up smoking, which led to an 80 percent improvement in health, the study found. This was followed by eating fruits and vegetables.
Moderate drinking and keeping active brought the same benefits, Kay-Tee Khaw and colleagues at the University of Cambridge and the Medical Research Council said.
"Armed with this information, public-health officials should now be in a better position to encourage behavior changes likely to improve the health of middle-aged5 and older people," the researchers wrote.
研究人员在《公共科学图书馆：医学》(PLos: Public Library of Science)期刊中写道：“研究结果进一步证明，生活方式的微小变化会对人们的身体健康产生很大影响。”
be in a position to do sth.:能够做某事
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