Scientists have found a link between eating leafy green vegetables and better lung health. Researchers at Australia’s Edith Cowan University examined the relationship between dietary intake of vitamins K1 and K2 and chronic obstructive pulmonary disease (COPD), asthma, and lung function.
Vitamin K1 and Lung Health
The study, published in The American Journal of Clinical Nutrition, analyzed data from 179,062 participants over a 10-and-a-half-year period. The results showed that higher dietary vitamin K1 intake was associated with better lung function and a lower rate of COPD. Participants who consumed the most vitamin K1 had a 16% lower likelihood of COPD.
Vitamin K1 is found mainly in leafy green vegetables like spinach, kale, and broccoli. Other foods rich in vitamin K1 include collard greens, Swiss chard, Brussels sprouts, and turnip greens. The researchers suggest that vitamin K1 may help keep lung tissue flexible and prevent damage.
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