People Without These 3 Risk Factors Lived 13 More Years Without Dementia
Summary
A study found that people aged 48 to 68 who have normal blood pressure, do not have diabetes, and do not smoke can live about 13 years longer without developing dementia. The research followed over 12,000 adults for 26 years and showed that women and white individuals generally lived more years without dementia than men and Black individuals.Key Facts
- Nearly half of U.S. adults have high blood pressure; 38 million have diabetes; over 16 million have smoking-related diseases.
- Having normal blood pressure, no diabetes, and not smoking in midlife is linked to nearly 13 extra dementia-free years.
- The study tracked more than 12,000 adults from an average age of 56 for 26 years.
- Participants with no risk factors lived about 30 dementia-free years; those with all three risk factors lived about 17 years.
- Women lived longer without dementia than men, regardless of risk factors.
- White participants lived more dementia-free years than Black participants.
- The study shows a link between better heart and blood vessel health and longer dementia-free life but does not prove cause and effect.
- Risk factors were measured only once at the study’s start, so changes over time were not tracked.
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