The number of older people, including those living with dementia, is rising, as younger age mortality declines.
The number of older people, including those living with dementia, is rising, as younger age mortality declines.
However, the age-specific incidence of dementia has fallen in many countries, probably because of improvements in education, nutrition, health care, and lifestyle changes. Overall, a growing body of evidence supports the nine potentially modifiable risk factors for dementia modelled by the 2017 Lancet Commission on dementia prevention, intervention, and care.