A Bedroom Air Purifier May Help Prevent Blood Sugar Spikes

TUESDAY, Nov. 10, 2026 (HealthDay News) — An air purifier in your bedroom may do more than help you breathe easier.

New research suggests it could also help keep your blood sugar steadier.

Researchers studied 150 adults with prediabetes who ran air purifiers in their bedrooms around the clock for four weeks.

The participants wore continuous glucose monitors for a week before and again after to track changes in blood sugar.

"None of these folks knew which arm they were in, and we asked them to not make any major dietary changes," said lead author Dr. Sharine Wittkopp of NYU Langone Health in New York City.

She and her colleagues found that the filters made a difference.

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