Studies show that the average six-room home in the United States collects 40 lbs. of dust each year. Sounds impressively awful, right? But don’t confuse all that dust with dirt and bad housekeeping. It’s actually a combination of dead skin, animal fur, dander, decomposing insects, dust mites, food debris, lint, fabric fibers, drywall particles, tracked-in soil, soot and pollen. It also contains hazardous chemicals that migrate from home products and enter through open doors, windows and on the soles of your shoes. Household dust can trigger allergy and asthma symptoms. While it’s impossible to get rid of dust completely, here are our top tips for keeping dust at a minimum so you and your family stay healthier.