Ruby Wax has credited a new treatment with helping her recover from a recent bout of depression. The 69-year-old comedian revealed just two weeks ago that she was suffering with her first episode of depression in 12 years but now believes that undergoing repetitive transcranial magnetic stimulation treatment has helped her. She shared a picture of herself on Instagram, wearing a special helmet for the procedure and wrote: “I’m better now but the pulling out of the quicksand of depression is so slow, it’s faster to watch your hair grow. “Last time this happened to me about twelve years ago it t…