Transcranial magnetic stimulation (TMS) is a non-invasive procedure that uses magnetic fields to stimulate nerve cells in the brain. It is primarily used to treat conditions like depression and anxiety by targeting specific areas of the brain associated with mood regulation. During the treatment, a device is placed on the scalp, delivering brief magnetic pulses that can enhance or inhibit brain activity. TMS is generally considered safe and well-tolerated, with minimal side effects such as mild headache or discomfort at the stimulation site. It is often used when other treatments, like medication or therapy, have not been effective.