Callers were divided into those who currently had, previously had, or never had acne. This year, after reviewing the results of trials with 3, plus patients, the DFA lifted the restrictions. The telephone interviews were conducted by experienced qualitative researchers following semi-structured adolescent or adult interview guides.
Participants Interview participants were recruited through a specialist recruitment panel in the UK, Italy, and Germany. But nevertheless, it's not the only cause of pimples. Therefore, quantitative analysis of selected studies was not possible.
Suicide, depression, and isotretinoin: is there a causal link? It's true to a certain extent because washing face and keeping it clean provides open and clean pores.