Vertaling van "well-known fact that alcohol and drug related problems " (Nederlands → Frans) :

Furthermore, it is a well-known fact that alcohol and drug related problems increase the risk of suicide, particularly in young people.
Par ailleurs, il est bien connu que les problèmes liés à l’alcool ou aux drogues augmentent le risque suicidaire, en particulier chez les jeunes.

It is a well-known fact from clinical practice (and one that is supported by all the research) that, when drugs are being prescribed, the prognosis is improved if there is at least some psychological follow-up.
Il est bien connu en pratique clinique, et toutes les études vont dans ce sens, qu’en cas de prescription médicamenteuse, un minimum de suivi psychosocial améliore le pronostic.