What, did you think we were joking?
Boom! There, real-life Papa Smurf all up in yo' shizzle! And here's Smurfette:
...and in fact there's dozens of photos online of this condition. Most recently, Baby Boomer Randroid politician Stan Jones fell victim to the condition.
What you're seeing here is the effects of a condition known as "Argyria", which is caused by the ingesting of colloidal silver. That's right, drinking silver potions turns you blue. Colloidal silver is frequently prescribed by quacks as treatments for various illnesses - it's been a staple of alternative medicine for some time. As for Stan Jones, he actually made his own silver potions and drank them at home for reasons related to Y2K paranoia back before the turn of the century. And he still swears by it!
For those stuck with this condition, guess what? There's no cure! OK, technically there's laser surgery, so if you call having all of your skin being burned off and waiting for it to grow back a "cure" then yes, that's a cure.