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Alzheimer's disease and other forms of dementia affect one in six people aged over 80 years. The main treatments involves administering a class of medications called cholinesterase inhibitors. However, these medicines are marginally beneficial for most patients and may have serious side effects such as gastrointestinal symptoms. Weight loss is also a significant problem in dementia patients and has been linked to increased mortality. Researchers have now warned that common drugs used to treat dementia ...