{"id":"https://openalex.org/W2005247351","doi":"https://doi.org/10.1177/0269881103174014","title":"Quitting Ecstasy: An Investigation of Why People Stop Taking the Drug and Their Subsequent Mental Health","display_name":"Quitting Ecstasy: An Investigation of Why People Stop Taking the Drug and Their Subsequent Mental Health","publication_year":2003,"publication_date":"2003-12-01","ids":{"openalex":"https://openalex.org/W2005247351","doi":"https://doi.org/10.1177/0269881103174014","mag":"2005247351","pmid":"https://pubmed.ncbi.nlm.nih.gov/14870948"},"language":"en","primary_location":{"id":"doi:10.1177/0269881103174014","doi":"https://doi.org/10.1177/0269881103174014","is_oa":false,"landing_page_url":"https://doi.org/10.1177/0269881103174014","pdf_url":null,"source":{"id":"https://openalex.org/S136368880","display_name":"Journal of Psychopharmacology","issn_l":"0269-8811","issn":["0269-8811","1461-7285"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","erih-plus","jufo-1","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Psychopharmacology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083754022","display_name":"Suzanne L. Verheyden","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Suzanne L. Verheyden","raw_affiliation_strings":["Clinical Psychopharmacology Unit, Clinical Health Psychology, University College London, London, UK","Clinical Psychopharmacology Unit, Clinical Health Psychology University College London London UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clinical Psychopharmacology Unit, Clinical Health Psychology, University College London, London, UK","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"Clinical Psychopharmacology Unit, Clinical Health Psychology University College London London UK","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064939060","display_name":"Rachel Maidment","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rachel Maidment","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5061200799","display_name":"H. Valerie Curran","orcid":"https://orcid.org/0000-0001-6011-6978","observed_orcids":["https://orcid.org/0000-0001-6011-6978"]},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"H. Valerie Curran","raw_affiliation_strings":["Clinical Psychopharmacology Unit, Clinical Health Psychology, University                         College London, London, UK","Clinical Psychopharmacology Unit, Clinical Health Psychology, University College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clinical Psychopharmacology Unit, Clinical Health Psychology, University                         College London, London, UK","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"Clinical Psychopharmacology Unit, Clinical Health Psychology, University College London, London, UK","institution_ids":["https://openalex.org/I45129253"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5061200799"],"corresponding_institution_ids":["https://openalex.org/I45129253"],"apc_list":{"value":4400,"currency":"USD","value_usd":4400},"apc_paid":null,"fwci":5.9115,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":{"value":0.95489384,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"17","issue":"4","first_page":"371","last_page":"378"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12553","display_name":"Psychedelics and Drug Studies","score":0.9907000064849854,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12553","display_name":"Psychedelics and Drug Studies","score":0.9907000064849854,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10043","display_name":"Substance Abuse Treatment and Outcomes","score":0.0052999998442828655,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10800","display_name":"Forensic Toxicology and Drug Analysis","score":0.0013000000035390258,"subfield":{"id":"https://openalex.org/subfields/3005","display_name":"Toxicology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ecstasy","display_name":"ecstasy","score":0.6980000138282776},{"id":"https://openalex.org/keywords/mdma","display_name":"MDMA","score":0.9909999966621399},{"id":"https://openalex.org/keywords/medication-discontinuation","display_name":"drug discontinuation","score":0.515999972820282},{"id":"https://openalex.org/keywords/reasons-for-quitting","display_name":"reasons for quitting","score":0.859000027179718},{"id":"https://openalex.org/keywords/depression","display_name":"depression","score":0.878000020980835},{"id":"https://openalex.org/keywords/anxiety","display_name":"anxiety","score":0.9990000128746033},{"id":"https://openalex.org/keywords/anger","display_name":"anger","score":0.6499999761581421},{"id":"https://openalex.org/keywords/aggression","display_name":"aggression","score":0.9760000109672546},{"id":"https://openalex.org/keywords/self-medication","display_name":"self-medication","score":0.8220000267028809},{"id":"https://openalex.org/keywords/mental-health-outcomes","display_name":"mental health outcomes","score":0.5}],"concepts":[{"id":"https://openalex.org/C2779488553","wikidata":"https://www.wikidata.org/wiki/Q625143","display_name":"Ecstasy","level":2,"score":0.9464703798294067},{"id":"https://openalex.org/C2780876324","wikidata":"https://www.wikidata.org/wiki/Q69488","display_name":"MDMA","level":2,"score":0.9156520962715149},{"id":"https://openalex.org/C134362201","wikidata":"https://www.wikidata.org/wiki/Q317309","display_name":"Mental health","level":2,"score":0.6617364883422852},{"id":"https://openalex.org/C558461103","wikidata":"https://www.wikidata.org/wiki/Q154430","display_name":"Anxiety","level":2,"score":0.6357380151748657},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.6349887847900391},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.6146373152732849},{"id":"https://openalex.org/C2780733359","wikidata":"https://www.wikidata.org/wiki/Q331769","display_name":"Mood","level":2,"score":0.5842878222465515},{"id":"https://openalex.org/C2779302386","wikidata":"https://www.wikidata.org/wiki/Q79871","display_name":"Anger","level":2,"score":0.559563398361206},{"id":"https://openalex.org/C2781214261","wikidata":"https://www.wikidata.org/wiki/Q2729863","display_name":"Hostility","level":2,"score":0.5173768401145935},{"id":"https://openalex.org/C2776867660","wikidata":"https://www.wikidata.org/wiki/Q1814941","display_name":"Depression (economics)","level":2,"score":0.4789362847805023},{"id":"https://openalex.org/C2778567577","wikidata":"https://www.wikidata.org/wiki/Q188611","display_name":"Hypomania","level":5,"score":0.47203385829925537},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.4608795940876007},{"id":"https://openalex.org/C2776174506","wikidata":"https://www.wikidata.org/wiki/Q131755","display_name":"Bipolar disorder","level":3,"score":0.23671916127204895},{"id":"https://openalex.org/C2776809841","wikidata":"https://www.wikidata.org/wiki/Q185935","display_name":"Mania","level":4,"score":0.21300634741783142},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000339","descriptor_name":"Affect","qualifier_ui":"Q000187","qualifier_name":"drug effects","is_major_topic":false},{"descriptor_ui":"D000339","descriptor_name":"Affect","qualifier_ui":"Q000187","qualifier_name":"drug effects","is_major_topic":false},{"descriptor_ui":"D000339","descriptor_name":"Affect","qualifier_ui":"Q000187","qualifier_name":"drug effects","is_major_topic":false},{"descriptor_ui":"D000374","descriptor_name":"Aggression","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000374","descriptor_name":"Aggression","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000374","descriptor_name":"Aggression","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001007","descriptor_name":"Anxiety","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D001007","descriptor_name":"Anxiety","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D001007","descriptor_name":"Anxiety","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D001523","descriptor_name":"Mental Disorders","qualifier_ui":"Q000139","qualifier_name":"chemically induced","is_major_topic":false},{"descriptor_ui":"D001523","descriptor_name":"Mental Disorders","qualifier_ui":"Q000139","qualifier_name":"chemically induced","is_major_topic":false},{"descriptor_ui":"D001523","descriptor_name":"Mental Disorders","qualifier_ui":"Q000139","qualifier_name":"chemically induced","is_major_topic":false},{"descriptor_ui":"D003657","descriptor_name":"Decision Making","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003657","descriptor_name":"Decision Making","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003657","descriptor_name":"Decision Making","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007407","descriptor_name":"Interviews as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007407","descriptor_name":"Interviews as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007407","descriptor_name":"Interviews as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008603","descriptor_name":"Mental Health","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008603","descriptor_name":"Mental Health","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008603","descriptor_name":"Mental Health","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011177","descriptor_name":"Postal Service","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011177","descriptor_name":"Postal Service","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011177","descriptor_name":"Postal Service","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018817","descriptor_name":"N-Methyl-3,4-methylenedioxyamphetamine","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D018817","descriptor_name":"N-Methyl-3,4-methylenedioxyamphetamine","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D018817","descriptor_name":"N-Methyl-3,4-methylenedioxyamphetamine","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D018817","descriptor_name":"N-Methyl-3,4-methylenedioxyamphetamine","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D018817","descriptor_name":"N-Methyl-3,4-methylenedioxyamphetamine","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D018817","descriptor_name":"N-Methyl-3,4-methylenedioxyamphetamine","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D019969","descriptor_name":"Amphetamine-Related Disorders","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D019969","descriptor_name":"Amphetamine-Related Disorders","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D019969","descriptor_name":"Amphetamine-Related Disorders","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D019969","descriptor_name":"Amphetamine-Related Disorders","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":false},{"descriptor_ui":"D019969","descriptor_name":"Amphetamine-Related Disorders","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":false},{"descriptor_ui":"D019969","descriptor_name":"Amphetamine-Related Disorders","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1177/0269881103174014","doi":"https://doi.org/10.1177/0269881103174014","is_oa":false,"landing_page_url":"https://doi.org/10.1177/0269881103174014","pdf_url":null,"source":{"id":"https://openalex.org/S136368880","display_name":"Journal of Psychopharmacology","issn_l":"0269-8811","issn":["0269-8811","1461-7285"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","erih-plus","jufo-1","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Psychopharmacology","raw_type":"journal-article"},{"id":"pmid:14870948","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/14870948","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of psychopharmacology (Oxford, England)","raw_type":"Comparative Study"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:105028","doi":null,"is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/105028/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"J PSYCHOPHARMACOL , 17 (4) 371 - 378. (2003)","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[{"score":0.8600000143051147,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1822726465","https://openalex.org/W1851000376","https://openalex.org/W1965630869","https://openalex.org/W1968942318","https://openalex.org/W1984877678","https://openalex.org/W1990943633","https://openalex.org/W2002062361","https://openalex.org/W2014352799","https://openalex.org/W2035611550","https://openalex.org/W2036111662","https://openalex.org/W2042631922","https://openalex.org/W2044307156","https://openalex.org/W2045651684","https://openalex.org/W2085097754","https://openalex.org/W2088347581","https://openalex.org/W2099457823","https://openalex.org/W2101367564","https://openalex.org/W2101409056","https://openalex.org/W2104117422","https://openalex.org/W2104270720","https://openalex.org/W2109698385","https://openalex.org/W2115290225","https://openalex.org/W2117003509","https://openalex.org/W2126283685","https://openalex.org/W2136253554","https://openalex.org/W2137899752","https://openalex.org/W2160059442","https://openalex.org/W2161510689","https://openalex.org/W2163808408","https://openalex.org/W2164537538","https://openalex.org/W2166281097","https://openalex.org/W2167091782","https://openalex.org/W2171847604","https://openalex.org/W2221104206","https://openalex.org/W4232646817","https://openalex.org/W4253917977","https://openalex.org/W4292810003"],"related_works":["https://openalex.org/W2002169603","https://openalex.org/W2091326324","https://openalex.org/W4255453845","https://openalex.org/W2160059442","https://openalex.org/W2728515003","https://openalex.org/W2022284810","https://openalex.org/W1996256869","https://openalex.org/W2009687993","https://openalex.org/W2048124537","https://openalex.org/W2087382022"],"abstract_inverted_index":{"The":[0,46,98,255],"regular":[1,89],"use":[2],"of":[3,48,70,118,187,206,216,240],"ecstasy":[4],"(3,4-methylenedioxymethamphetamine,":[5],"MDMA)":[6],"has":[7],"been":[8],"associated":[9],"with":[10,80,212],"depressed":[11],"mood,":[12],"anxiety":[13,209],"and":[14,64,74,176,208],"hostility,":[15],"but":[16,91,123],"it":[17],"is":[18,33],"not":[19,126],"known":[20,34],"whether":[21],"such":[22],"effects":[23,239],"persist":[24],"after":[25,272],"people":[26,81],"stop":[27,274],"using":[28,44,61,253,275],"the":[29,40,49,55,96,190,196,213,237],"drug.":[30,97,277],"Furthermore,":[31],"little":[32],"about":[35,140],"what":[36],"factors":[37],"might":[38],"influence":[39],"decision":[41],"to":[42,53,65,84,105,150,236,265],"quit":[43,144,171,181],"MDMA.":[45,145],"aim":[47],"present":[50,256],"study":[51,257],"was":[52],"examine":[54],"reasons":[56,175],"why":[57,141],"ex-users":[58,102,261],"had":[59,125,143,170,180,220],"stopped":[60],"this":[62,276],"drug":[63],"assess":[66,151],"their":[67,163],"current":[68,204],"levels":[69,205],"depression,":[71],"anxiety,":[72],"anger":[73],"aggression.":[75],"Telephone":[76],"interviews":[77],"were":[78,138],"conducted":[79],"who":[82,92,103,124,169,179],"used":[83,95,104],"take":[85,106],"MDMA":[86,107,128,217,241],"on":[87,162],"a":[88,116],"basis":[90],"no":[93],"longer":[94],"participants":[99],"comprised":[100],"sixty-six":[101],"regularly":[108],"(at":[109],"least":[110,120,131],"once":[111],"every":[112],"2":[113],"months":[114],"over":[115],"period":[117],"at":[119,130],"1":[121,132],"year),":[122],"taken":[127,221],"for":[129,165,172,182,198,248,270],"year":[133],"(average":[134],"3":[135],"years).":[136],"Participants":[137],"asked":[139],"they":[142,219,250,273],"They":[146],"also":[147],"completed":[148],"questionnaires":[149],"trait":[152],"mood.":[153],"Ex-users":[154],"could":[155],"be":[156,233],"divided":[157],"into":[158],"two":[159],"groups":[160],"based":[161],"reason":[164],"quitting:":[166],"(i)":[167],"those":[168,178,188],"mental":[173,191,245,266],"health":[174,192,246,267],"(ii)":[177],"circumstantial":[183],"reasons.":[184],"Approximately":[185],"half":[186],"in":[189,195],"group":[193],"scored":[194],"range":[197],"clinical":[199],"depression.":[200],"In":[201],"that":[202,218,228,259,268],"group,":[203],"depression":[207],"correlated":[210],"significantly":[211],"cumulative":[214],"amount":[215],"several":[222],"years":[223,271],"previously.":[224],"These":[225],"findings":[226],"suggest":[227],"some":[229,260],"users":[230],"may":[231],"either":[232],"more":[234],"vulnerable":[235],"adverse":[238],"or":[242],"have":[243],"pre-existing":[244],"problems":[247],"which":[249],"self-medicate":[251],"by":[252],"ecstasy.":[254],"shows":[258],"experience":[262],"an":[263],"impairment":[264],"persists":[269]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":4}],"updated_date":"2026-10-17T09:40:24.721904","created_date":"2025-10-10T00:00:00"}