Egotism, laziness, hysteria: reasons to be admitted to 1800s insane asylum: Rachel says, "If the Trans-Allegheny Lunatic Asylum (located in Weston, WV) is anything to go by, we should all be locked up forever! From 1864 to 1889, this West Virginian hospital admitted all kinds of people to its insane asylum and we’ve got the list of ailments to share with you."
The Mad Hatter has a basis in real history. In the 18th and 19th centuries, mercury was used to treat felt used in the production of hats in England. Workers in hat factories were exposed to toxic levels of the heavy metal and often led to the onset of dementia.