The indoor air can be up to 10-15 times more polluted than outdoor air.Why?Because of paint, wallpaper, furniture, carpets...well, almost anything. A plant can clean this air significantly, thus resulting in an overall better health.Studies shows that people recover faster from sickness if they have plants in their surroundings, and that people who has plants at their desks at work feel better while working than others.The more plants - the cleaner the air.