Put on your epidemiologist's hat.
D004781:Environmental Exposure; D004812:Epidemiologic Methods; D005069:Evaluation Studies as Topic; D006266:Health Education; D006801:Humans; D008499:Medical Records; D009784:Occupational Diseases / Q000209:etiology; D009786:Occupational Health Services; D009787:Occupational Medicine; D011314:Preventive Health Services; D012306:Risk