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How diet could buffer the effects of polluted air
Researchers analyzed data from nearly 200,000 participants in the UK Biobank to explore how diet interacts with air pollution exposure. They were particularly interested in a type of pollutant called PM2.5, tiny airborne particles released by vehicle exhaust, factories, and even wildfires, that can penetrate deep into the lungs and trigger inflammation.
They compared participants’ intake of fruits, vegetables, and whole grains with their lung function. Then, they looked at how those numbers shifted depending on how much pollution each person was exposed to.
Here’s what they found:
People who ate more fruit appeared to have healthier lung function, even when exposed to similar levels of air pollution.
In women, especially, this dietary pattern seemed to help preserve lung capacity over time, a sign that nutrition might actually soften some of the harm caused by polluted air.
Simple ways to eat for stronger lungs
Here are a few easy, evidence-backed ways to build lung-protective nutrition into your day:
- Aim for at least four servings of fruit daily: That could look like berries in your breakfast, citrus with lunch, and a kiwi after dinner.
- Mix your colors: Different pigments deliver different antioxidants, so try to eat a rainbow—red apples, orange mangoes, purple grapes, green kiwi.
- Pair with healthy fats: Nutrients like carotenoids absorb best with a little fat, so add nut butter, avocado, or yogurt for a boost.
- Don’t overlook frozen fruit: It’s often picked at peak ripeness and retains most of its nutrients, making it a convenient year-round option.
Even these small choices can add up to measurable differences over time, especially if you live in a polluted area or spend a lot of time outdoors.
via Blogger https://bit.ly/4jut5B7
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