from Hacker News

Coffee linked with lower depression

by doodyhead on 9/27/11, 1:39 PM with 1 comments

  • by jmmcd on 9/27/11, 2:20 PM

    > He stressed that the study does not prove that coffee lowers depression risk - only that it might be protective against depression in some way.

    Sounds like the journalist got confused. The study probably shows that there is a correlation, but the causal chain has not been established. It's possible that some other factor increases coffee use and decreases tendency to depression.