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In its enabling act , the State Board of Health was charged with caring for the health of the citizenry by investigating the sanitary and environmental conditions related to the causes and prevention of disease , especially epidemics , and with disseminating information on health matters to the public . A prime emphasis is investigating the causes and prevention of musculo-skeletal injuries and cumulative trauma disorders . They should be substantially free from the mutations and influence of politics . " Look at the guns and blood in that ! Contemporary Freudians have modified and integrated many different ideas into their technique : ideas about the origins and vulnerability of the self , early object relations and trauma , and the interactional aspects of the analytic relationship . He teaches and does research on the causes and prevention of war and human rights issues . Each semester , an ephemeral rainbow of colorful 3-by-4-foot posters lines the second-floor hallways of the Materials Science & Engineering Building , evidence of undergraduates ' curiosity about the properties and microstructure of such varied products as guitar strings , door locks , turbine blades and coins . Part of a follow-up study of heat-related deaths in the Midwest in 1995 , it explores the causes and prevention of heat-related death , discusses and evaluates prevention strategies , including prevention efforts currently being implemented in Philadelphia and Milwaukee , and identifies areas where additional research is needed .