The hon. Gentleman is absolutely right to identify the demographics, which present a problem not only in the increasing number of people who present with dementia, but in our society's ability to provide the necessary informal care. It is estimated that, over the next 20 years, this country will need an additional 15 million carers to cope with the increased burden of diseases such as dementia. That is why the research figure that 800,000 people suffer from the disease is so relevant.