The health risks associated with the “liquid metal” mercury are well known these days, but that wasn’t always the case.

Believe it or not, mercury was actually once used over a time span of several centuries to treat a wide variety of illnesses and physical ailments.

And we’re not talking ancient history either. In fact, according to this article by the US National Library of Medicine mercury was still being used for medicinal purposes well into the 20th century!  [Read more…]