“Mad as a hatter” In 18th and 19th century England, mercury was used in the production of felt, which was used in the manufacturing of hats common of the time. People who worked in these hat factories were exposed daily to trace amounts of the metal, which accumulated within their bodies over time, causing some workers to develop dementia caused by mercury poisoning. Thus the phrase “Mad as a Hatter” became popular as a way to refer to someone who was perceived as insane.
Alzheimer's Disease and Personality Changes - What you can do
Dementia is a blanket or umbrella term that characterizes one of the primary clinical manifestations of several diseases or conditions; including Alzheimer's disease (AD), Parkinson's disease (PD) in the late stages, vascular dementia (VaD), Fronto-temporal dementia (FTD), & Dementia with Lewy bodies (DLB).
Broken Record: What to Say When Dementia Causes Them to Repeat
Here are some tips on how to respond when dementia causes elderly parents to repeat themselves. An occupational therapist and dementia expert offers suggestions for how to handle situations in which seniors with dementia repeat themselves.