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Recent data reveal that dementia prevalence at ages 70, 75, 80 and above has fallen compared to several decades ago. In fact, today’s 90-year-olds face less than half the dementia risk of those in 1984. This shift points to progress in prevention and treatment of age-related cognitive decline.
- Dementia prevalence has fallen across every age bracket studied (70, 75, 80+) compared to several decades ago
- 90-year-olds today face less than half the dementia risk of 90-year-olds in 1984 (under 15% vs. roughly one in three)
- Better education, blood pressure/cholesterol control, diabetes treatment, and healthier lifestyles are cited as the likely drivers