DEMENTIA - including Alzheimer’s disease - still has no effective treatment. However, the first new drugs for 14 years are likely to be approved next year - and they might just be the cure. Dementia is a decline in mental ability, and Alzheimer’s disease is its most common type. There are currently 44 million people around the world who suffer from the debilitating condition, which can cause memory loss and problems thinking. Despite the fact it costs the UK £26 billion a year, scientists have remained unable to successfully treat Alzheimer’s and other types of dementia. Last month a clinical...