Nikolas
Created page with "* Epidemiology ** Prevalence 10 – 30% of industrialized countries ** Most frequent disease among children and teens *** 80% of cases 0 – 20 years ** Prevalence increasing, especially in urban areas * Forms ** Seasonal – outdoor allergens *** Pollen **** Ragweed **** Grass **** Tree *** Mold **** Fungus ** Perennial – indoor allergens *** Pets *** Dust *** Mites *** Molds * Etiology ** Second hand smoke ** Exposure to allergens ** Atopy or family history of it **..."