Researchers at the University of Ottowa created the online tool for over-55s. Dementia affects about 7.1% of the UK’s older population, and roughly a third of those over 85.

There is no cure or treatment for dementia but a third of those developing the condition could have delayed or stopped the onset by changing their lifestyle, according to the team from Ottawa Hospital and the University of Ottawa.

Could Ottawa become Canada’s – or the world’s – healthiest city? Today, Brigitte Pellerin looks at this city’s own answer to the Fitbit and other means of measuring wellbeing.