Dr. Harvey calls that a huge step forward, saying, “in the past we were reluctant to put them in younger patients because most of us, in some point of our lives, is going to need an MRI.” He says, while it’s not risky to implant the devices, it can be tricky to safely remove them. Dr. Harvey says that”In that analogy, the air conditioner is pain and the person speaking to you is this small electrical device, which is giving you a more pleasurable sensation than the pain.”