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A sweeping meta-analysis published in the Journal of the American Heart Association finds that modest daily improvements in diet, exercise, and sleep can dramatically reduce the risk of chronic diseases—even for those with genetic predispositions.
The Power of Life’s Simple 7
- Researchers reviewed 483 studies to assess the impact of seven lifestyle factors: diet, physical activity, weight, blood pressure, cholesterol, blood sugar, and smoking-
- Even improving just one metric—like moving from obesity to overweight or adding light physical activity—
was linked to:
- 11% lower dementia risk
- 6% reduced risk of eye disease
- 23% drop in fatty liver disease
- 11% decrease in chronic kidney disease
Whole-Body Benefits Beyond the Heart
- The study found that better scores across these metrics improved brain, lung, kidney, and muscle function
- Adherence to these habits helped maintain vision, hearing, and mobility well into older age
- The findings support the American Heart Association’s updated Life’s Essential 8, which now includes sleep as a critical health factor
Sleep Joins the Wellness Equation
- Adults should aim for 7–9 hours of sleep nightly; poor sleep is linked to hypertension, obesity, and elevated stress
- The inclusion of sleep underscores its role in regulating hormones, inflammation, and cognitive health
A Call to Action
- Less than 4% of people globally meet ideal cardiovascular health standards
- Experts urge small, achievable changes—like walking more, eating whole foods, and improving sleep hygiene—as powerful tools for disease prevention
Sources: CNN Health, Health and Me, Times of India, Journal of the American Heart Association.
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