Why are Helium, Curium and Barium called the medical elements?

Because if you can't Helium or Curium, you Barium.
(Heard it from Heimerdinger, League of Legends)

You might also enjoy

Many of the jokes are contributions from our users. If you find anything offensive and against our policy please report it here with a link to the page. We will do everything to make this an enjoyable platform for everyone.