Jim says we should get a humidifier and I agree . I started back on Celexa again for my depression . So far it 's going great . I feel again like a giant fog has been lifted from my brain .

pick from the following.
I. One of the symptoms of depression is a mental sluggishness and slowing of thought;
II. Because it inspired them to get a humidifier which helped remove moisture from the air;
III. The depression lifting coupled with buying a humidifier has made their thinking clearer;
IV. None of the above choices .;
Answer the following question: Why has the remission of depression led to the feeling of a reduction in brainfog ?
I.