process smoking behaviour A person's current tobacco and nicotine consumption as well as his/her smoking history. UMLS CUI:C1519386 https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&version=15.12d&ns=NCI_Thesaurus&code=C19796 01/25/2016 http://www.ebi.ac.uk/efo/EFO_0004318 NCI:C19796 NCI:C19796 YL