Ok. But can statistics disprove casuality? E.g. to show that A does not cause B, while B (or a latent factor B correlates with) causes A? When people say that

Ok. But can statistics disprove casuality? E.g. to show that A does not cause B, while B (or a latent factor B correlates with) causes A? When people say that the study can equally be interpretted as cannabis disorder causes depression and as depression causes cannabis disorder, can't statistics show that these two hypothesys are not equal?