Here’s an interesting article about new ink technology coming soon. How great to be able to marry medical science and tattooing.
“Harvard and MIT researchers have developed smart tattoo ink capable of monitoring health by changing color to tell an athlete when she is dehydrated or a diabetic when his blood sugar rises.” To read more about it, visit the Harvard Gazette.
https://news.harvard.edu/gazette/story/2017/09/harvard-researchers-help-develop-smart-tattoos/