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Race outweighs environment as top asthma risk factor in kids. A new study found that Black race is the strongest predictor of high T-helper 2 (T2) inflammation in children with severe asthma — even after accounting for income, air quality, and social factors. Researchers say this points to a need for earlier, targeted intervention in children of color.
A new study published in The Journal of Allergy and Clinical Immunology: In Practice found that Black race is the single greatest predictor of high T-helper 2 (T2) inflammation in children with severe, treatment-refractory asthma — surpassing environmental and social factors like income, air quality, and urban residence. Researchers analyzed 451 children who underwent bronchoscopy and blood T2 marker testing, comparing those with high vs. low T2 inflammation profiles.
After adjusting for a wide range of demographic, social, and clinical variables, Black children had nearly three times the odds of falling into the T2HIGH inflammation group. The finding held up across both traditional statistical models and more complex neural network analyses, reinforcing its robustness.
Key Takeaways:
Why it matters: For decades, worse asthma outcomes in Black children were largely attributed to environmental and social disparities. This study challenges that assumption, suggesting a biological dimension that demands earlier screening and targeted T2-directed therapies — particularly for children of color.
