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This is a really odd post. No citation for this trial, some very peculiar sweeping statements (pointed out by others), and a link to a website that looks more than a little hokey.

CBT is proven to be effective when the depression is low-level, ie not acute. Like when people can get it together to get out of the house and see a therapist. Really it amounts to little more than reversing the causality of standard behaviours (eg exercise to make yourself feel good rather than because you feel good).

The website linked to is extremely poorly written, and contains zingers like: 'The way out of depression is all about getting started doing all the things you once loved to do! Getting started is the hardest step but trust us, you will feel better after doing all the things you love!'

This is the kind of wonderful advice you get from people who've never suffered from crippling depression.

I'm curious to know which nation this person is a clinical psychologist in.

It's a shame because exercise is probably the single thing most likely to help depression. That and drugs.