Dementia is the second leading cause of death in Australia after heart disease, and the leading cause of death among women.

Two per cent of Australians are living with the condition, which can have a devastating impact on quality of life. But where there’s life there’s hope.

Today on Please Explain, Bianca Hall is joined by social affairs editor Jewel Topsfield, who's exploration of what it’s like to live with dementia is one of a number of explainers that appear in a new book from The Age and The Sydney Morning Herald called Explain That: 31 Intriguing Reasons Why.