Nothing is keeping someone with diabetes from getting a tattoo. And if you’re thinking about a medical tattoo, you’re taking a great step to ensure proper care in case of emergency. There was a time when tattoos were something only sailors, bikers, and other hard-livin’ rebels inked into their skin. Now 1 in 5 people have at least one—tattoos aren’t taboo anymore. But can someone with diabetes get one? Of course! And if you’re thinking about getting a medical alert…