Boston-based researchers have found that patients who suffer from hard-to-treat depression may be helped by a form of magnet therapy. The therapy, called repetitive transcranial magnetic stimulation (rTMS), is a non-invasive treatment that alters the electrical activity of the brain through the use of magnetic fields. In a recent study of 16 patients with depression that didn't respond to conventional treatment, researchers found that approximately one-half of the patients did respond to a...