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Simple Habits Slash Dementia Risk
8 Apr
Summary
- Regular exercise and seven hours of sleep may cut dementia risk.
- Sedentary behavior for over eight hours daily raises risk by 30%.
- Breaking up long sitting periods significantly benefits brain health.
New research indicates that adopting simple lifestyle habits, such as regular physical activity and getting adequate sleep, can significantly lower the risk of dementia later in life. The study highlights that these changes may reduce a person's risk by as much as 25%.
Long periods of sedentary behavior, like sitting for over eight hours daily, are associated with a nearly 30% increase in dementia risk. Conversely, consistent physical activity, even just daily walks, can decrease this risk by an average of 25%. Researchers emphasize that breaking up extended sitting times by standing or walking is crucial for maintaining brain blood flow.
Optimal sleep duration for brain health appears to be between seven and eight hours per night. Sleeping less than seven hours increases dementia risk by 18%, while sleeping more than eight hours raises it by 28%.
Experts stress that a combination of physical activity, sufficient sleep, and mentally stimulating activities provides the most comprehensive protection for the brain. Physical activity supports cognitive function, reduces harmful brain plaques, and combats inflammation, while sleep allows the brain to clear waste products.
