This is the BBC World Service. I'm Andrew Bomford and this is the final episode in our series

Solving Alzheimer's, exploring how the most challenging disease in the world requires action

by governments, scientists and most of all ordinary people.

And I should warn you now some people might find parts of this week

week living and dying with Alzheimer's.

The last evening before she died, we went to a three, four star restaurant.

We had a beautiful meal, laughed and cried, and there was no tomorrow that evening, it was so special.

But then you go home and well it's very hard to get sleep night before.

Brother and sister Frank and Anika,

remembering the last night of their mother Annie's life.

She wrote a letter to God to take care of us.

To take care of her children, but that she was convinced that she made the right decision.

For Annie Ziningberg, who had Alzheimer's disease,

that decision was euthanasia,

and she'd known it from the day she was diagnosed, she never wavered.

She knew that if there was a God, it would be a really warm forgiving God.

And...

But she said it's a pity that I can't send an email back to my children to tell them how this.

Yeah.

In this program we're going to talk about death and dying with

Alzheimer's the most common form of dementia. It's one of the first things people

who are diagnosed think about.

...