As a result of the advancement of the average life expectancy, the need to face the possible consequences driven by ageing has arisen. A representative example of this is dementia. An estimate of 46 million 86 thousand people living with dementia worldwide, and the number is expected to rise up to 74 million 70 thousand people by 2030. In addition, dementia for a younger age group is considered an issue as well as dementia for elderlies.
In the meantime, fundamental therapeutic agents for causal diseases such as Alzheimer’s disease are yet to be discovered. The development of a society that enable to effectively cope with Alzheimer’s disease is required as well as the development of new medicine. Therefore, measures against dementia is an urgent challenge to be dealt with on a global scale.