Let your walls do the air scrubbing with drywall that captures formaldehyde and VOCs. Good for new construction or renovations anywhere you're concerned about indoor air quality. It does require water-based paints, because oil-based formulations would seal the drywall. Ask your contractor about it or look for it in home centers in the coming months.
It will cost about 10 to 15 percent more than mold-resistant drywall.AirRenew, by CertainTeed