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Dementia is the ‘biggest health challenge of our time’

07/05/2019

In 1906, a German doctor called Alois Alzheimer performed an autopsy on a 55-year-old lady who had profound memory loss. What he discovered was that she had an abnormally shrunken brain, as well as abnormalities in and around her nerve cells. It was the first time that such brain abnormalities had been witnessed and led to the coining of the term “Alzheimer’s disease.” At the time of Alzheimer’s discovery, dementia was rare and something that wasn’t subsequently studied for decades. Fast-forward to today and someone is diagnosed with Alzheimer’s disease every three seconds, making it the number one cause of dementia. In some wealthier nations today, Alzheimer’s is one of the biggest killers – mainly due to the fact that it’s completely untreatable. In England and Wales, one in eight death certificates nowadays lists dementia as the cause of death, while it is estimated that 50 million people globally are living with the condition. However, as populations in developing countries age, the number of people living with dementia globally is set to soar to 130 million by 2050. But why is dementia more common today? Simply because we are all living longer and age is the biggest risk factor for dementia. Speaking to the BBC recently, Hilary Evans, chief executive of the charity Alzheimer's Research UK, said: “Dementia certainly is the biggest health challenge of our time. It's the one that will continue to rise in terms of prevalence, unless we can do something to stop or cure this disease."

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