Dementia, more commonly known as memory loss, is a disease seen in elderly individuals. It includes a broad category of diseases involving the brain which leads to forgetfulness , a reduction in the ability to think and reason, which eventually ends up hampering the life of an indiviual.
Globally, about 46 million people are suffering from dementia. Out of all the different kinds of dementia, Alzheimer's disease affects about 50 to 70 per cent of the patients diagnosed with dementia.
Alzheimer's is named after the German psychiatrist Dr Alois Alzheimer ,who noticed changes in the brain tissue of a woman