7 secretly toxic basement items experts warn 'cause asthma, allergies, and a host of other ailments' – plus what you need to do with them ASAP

Basement living room with hardwood floors, orange velvet cloud sofas, mid century chairs and small enclosed courtyard at far back with potted tree.

Basements are often neglected spaces used for storage, laundry, or DIY projects, but they may harbor hidden toxic items that could be quietly impacting your health.

From mold and mildew to volatile compounds in 'off-gassing', there are several toxic substances that can thrive in basements, right under our noses.