Cockroaches are among the most common pests found in many homes and other buildings. They dwell in dark areas and fancy humidity. They are considered hazardous as they have the capacity to contaminate foodby caring germs and spreading diseases like diarrhea, dysentery, typhoid fever and cholera.Cockroaches pose a serious threat to human health. They transmit pathogens and spread allergens. According to WHO studies, cockroaches are also associated with asthma in children.