Someone is diagnosed with dementia every three seconds. And nearly 60% of people with the condition live in poorer countries, according to a new report.
Those living in war zones or enduring humanitarian crises are often the forgotten victims of a disease that leaves people confused and sometimes unable to dress or feed themselves.
Global Alzheimer’s organisations and Alzheimer’s Society have been speaking to people affected by dementia in Puerto Rico where a hurricane devastated communities.
Our health and social care correspondent Victoria MacDonald reports.