Blackwolf they are now using magnets for depression magnets for depression.
also electrical brain stimulation for depression electro for depression. this isn't convulsive but very low voltage and safe. please check the links in blue.
Also you might check into lithium or prescriptions. Some of this is not just talking about it you might need serious help. Try to avoid a garbage diet. If you go to a psychiatrist just remember there are more things to try than just what he/she is recommending and don't be afraid to change psychiatrists if one is not working for you as you might find a much better one. If possible get rest and some exercise.