- Dementia numbers are increasing globally, but there is some evidence that incidence is declining.
- In order to maintain that decline, scientists need to know why it is happening.
- A global team of researchers has proposed that decreasing smoking rates and increasing education rates since the 1970s, particularly in high-income countries, could be behind the trend.
- They argue the link they found between smoking and education and the decline in dementia incidence, supports further public…
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