> 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.
> 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.