Smoking is the most recognized cause of chronic bronchitis. 
But a new study published in Principles and Practice of Clinical Research highlights another silent trigger.
Even for non-smokers.
Researchers found that people who struggle to get enough nutritious food are more than twice as likely to suffer from chronic bronchitis and other breathing issues.
This is called food insecurity.
Not having reliable access to affordable, healthy food.
It affects more than 40 million Americans and, as this study shows, it’s not just a financial problem… it’s a major health risk.
Without steady access to good food, your body doesn’t get the nutrients it needs to keep your immune system strong.
That makes you more vulnerable to inflammation and infection, especially in your lungs.
Food insecurity also adds stress, which further weakens your body’s ability to fight disease.
But not getting enough good nutrition is not just a problem of the poor.
The western diet has become so low in good nutrition that most people don’t get the nutrition they need.
To dig deeper into this connection, researchers analyzed data from 4,910 adults aged 20+ from the 2005–2006 National Health and Nutrition Examination Survey.
Here’s what they found:
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1.	People with very low food security had 2.18x higher risk of chronic respiratory conditions like bronchitis.
2. Even those with low (but not extreme) food security had a 59% higher risk.
3. These risks remained high even after adjusting for smoking, age, income, race, and education.
4. Among adults 40+, the risk of respiratory illness with very low food security rose to 2.65x.
 
In short, not eating well, especially long-term, puts serious stress on your lungs.
If cost is a concern, you don’t need to buy expensive superfoods.
Whole grains, lentils, beans, cabbage, carrots, and oats are affordable and full of fiber.
Just a few daily improvements in your diet can make a real difference for your lungs.
In the end, it doesn’t matter WHAT caused your Chronic Bronchitis. But HOW to reverse it.
					
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