Toshkenboy, Yes, may be you are right, articles should be read by people with good English knowledge. But do you think it's good to just list the main points for which the article is devoted to? If it's OK,  in that case everyone can write articles, can't they?
I think it's better if he clarified what he means by each cause, not the definition of course, at least providing some statements why he thinks they are the causes, how those causes may lead to suicide. Article writers should say something by the article, not leaving the reader in his/her own thoughts.