Nutrition Facts with Dr. Greger
Is Longevity Genetic?
Jun 13, 2024
Uncover the link between genetics and longevity with insights on heritability and lifestyle choices, the impact of genes on Alzheimer's disease, and how diet can counter genetic predispositions for better health and longer life.
12:40
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Quick takeaways
- Genetics contribute only about 25% to lifespan, emphasizing lifestyle choices for longevity.
- The APOE4 gene variant impacts cognitive decline and Alzheimer's but can be countered by diet choices.
Deep dives
Genetics Influence on Longevity
Centenarians and their siblings show a likelihood of living longer, indicating a genetic component to longevity. Research on twin pairs suggests that genes play a minor role in cancer causation, with environmental factors having a more significant impact. Twin studies estimate that about 25% of lifespan is influenced by genetics, emphasizing the importance of lifestyle choices in determining longevity.
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