Thrishna

'environmental risk factor' is classified as a subclass of 'risk factor' Risk factor is classified under diposition in OBIB(obo) so as 'environmental risk factor' No reference ontology to BFO classification available. Refer:https://bioportal.bioontology.org/ontologies/ONTOAD?p=classes&conceptid=http%3A%2F%2Fdoe-generated-ontology.com%2FOntoAD%23C0686732

http://purl.obolibrary.org/obo/NCIT_C18244

https://www.ncbi.nlm.nih.gov/pubmed/29303917

Health hazards at home, in the work place, or in nature (e.g., infectious agents, irritants, respiratory fibrotic agents, asphyxiants, allergens, metabolic poisons, physical agents, mutagens, teratogens, and carcinogens).

https://www.healthline.com/health/bipolar-disorder/bipolar-risk-factors#possible-risk-factors