Dust components may promote obesity
But indoor particles’ health impacts remain fuzzy
![Dust!](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/08/bm_dust_free.jpg?fit=860%2C460&ssl=1)
PLUMP PARTICLES Fats lurking in house dust can activate a protein in human cells that researchers think plays a key role in obesity.
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