by Yen Ying Lim, The Conversation Credit: Shutterstock Dementia is an umbrella term to describe a progressive neurological condition that affects people’s cognitive abilities, such as memory, language and reasoning. Alzheimer’s is the most common form, but other common forms include vascular dementia, Lewy Body dementia and frontotemporal dementia. It’s not uncommon for people living with dementia to experience fluctuations...