Because TMS is a relatively new depression treatment — approved by the Food and Drug administration in 2008 — more studies can help determine how effective it is, which treatment techniques work best and whether it has any long-term side effects.
Transcranial magnetic stimulation (TMS) is the least invasive of the brain-stimulation procedures used for depression. Unlike vagus nerve stimulation or deep brain stimulation, TMS doesn't require surgery or implantation of electrodes. And, unlike electroconvulsive therapy (ECT), it doesn't cause
seizures or require complete sedation with anesthesia."
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Read more: http://www.ehow.com/facts_4843776_health-benefits-magnets.html#ixzz2hRuN2Tk2
This is another treatment that was recommended for my son's depression. We never used TMS because it was so new there were very few places conducting it, however it is certainly a method we would try in the future if needed.