In a small trial, implanting electrodes into the brain helped women with severe anorexia gain weight and feel less anxious and depresse
Source:
https://www.newscientist.com/article/2241669-electrical-devices-implanted-in-the-brain-may-help-treat-anorexia/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home