Cognitive impairment refers to a decline in brain function, including forgetfulness, poor concentration and difficulty making decisions, which can then lead on to dementia. The most common types of dementia are Alzheimer’s Dementia and vascular dementia. — The greatest global challenge for health and social care in the 21st century: Currently more than 55 million people live with dementia worldwide and there are nearly 10 million new cases every year. In 2019, the estimated total global societal cost of dementia was US$ 1.3 trillion, and these costs…