It seems that there's some promise of medical devices that can break the skin relatively safely, but it's still early days: http://www.bbc.com/news/uk-england-2

It seems that there's some promise of medical devices that can break the skin relatively safely, but it's still early days: http://www.bbc.com/news/uk-england-26721547 http://www.bbc.com/news/uk-england-26721547