The 1st Public Health Day in Cyprus is organized by the Cyprus International Institute for Environmental and Public Health in association with the Harvard T.H. Chan School of Public Health (CII). The event was open to the public and all the latest research findings of CII were presented. Some of the key research topics that will be discussed in the event are: asthma and allergies in children, genetic predisposition and alcohol consumption, health effects from desert storms, smoking in Cypriot youth, human exposures to disinfection by-products and the assessment of evidence in medical research.