For the last three years Japan has been holding workshops to learn about how best to support people with dementia. It's their part of the version of England's 'Dementia Friends' programme where information sessions help everyone be understanding to those with dementia living alongside them. In Japan over 4million people have attended these sessions over the last eight years.
Like so many sufferers, Joan and Gracie are both under 24-hour care after endangering their lives and putting their families through agonizing worry. From leaving taps running and stove fire burning to wandering to the shops wearing pyjamas and sitting at the bus stop at midnight waiting hours on end for the bus.