A study conducted to understand dietary patterns and chronic obstructive pulmonary disease among men has discovered that Mediterranean diet halves the chances of developing progressive inflammatory lung disease (COPD).
COPD (chronic obstructive pulmonary disease) is an umbrella term for chronic progressive lung disease, such as emphysema and bronchitis.
AdvertisementThe researchers tracked the health of almost 43,000 men, who were already part of the US Health Professionals Follow up Study. This began in 1986 and involved more than 50,000 US health care professionals aged between 40 and 75, who were surveyed every two years.
They were asked questions about lifestyle, including smoking and exercise, diet and medical history. Dietary intake was assessed in detail every four years.
Eating patterns fell into two distinct categories: those who ate a diet rich in fruit, vegetables, whole grains and fish (Mediterranean diet); and those who ate a diet rich in processed foods, refined sugars, and cured and red meats (Western diet).
The Mediterranean diet was associated with a 50% lower risk of developing COPD than the Western diet, even after adjusting for age, smoking, and other risk factors.
And men who ate a predominantly Western diet were more than four times as likely to develop COPD, even after taking account of other influential factors.
The higher the conformity with a Mediterranean diet, the lower was the risk of developing COPD over the 12-year period.
Conversely, the higher the compliance with the Western diet, the higher was the risk of developing COPD.
The study is published in Thorax.
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