ational Eczema Society website www.eczema.org/what-is-eczema National Eczema Society. What is eczema? National Psoriasis Society According to the National Eczema Society www.eczema.org National Eczema Society eczema Figures according to the National Eczema Society genes and environmental factors one in five one in 12 adults Eczema.org source National Eczema Society. What is eczema? National Eczema Society. What is eczema? National Psoriasis Society one in five children and one in twelve adults what is Eczema genes and environmental factors http://eczema.org/what-is-eczema What is Eczema? Greek word “ekzein”