FoundMyFitness #032 Does Meat Consumption Cause Cancer?
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Jan 28, 2017 Explore the contentious link between meat consumption and cancer risk. Correlational studies suggest higher meat intake may lead to increased cancer rates. Learn about the role of DNA damage, growth factors like IGF-1, and how these mechanisms might promote cancer. Discover strategies to mitigate risks through lifestyle choices, including exercise and dietary balance. Rhonda Patrick advocates for a balanced approach: enjoy plants as the main course while treating meat as a side, timed with physical activity to keep IGF-1 in check.
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Correlations Need Mechanistic Proof
- Repeated epidemiological links between meat and cancer suggest a real association worth investigating.
- Mechanistic understanding is needed to move beyond correlation to causation.
Meat Risk Depends On Lifestyle Context
- A large JAMA study found meat-linked mortality only in people with other unhealthy lifestyle factors.
- Healthy meat-eaters without obesity, heavy alcohol use, smoking, or inactivity did not show higher cancer mortality.
Cancer Starts With DNA Damage And Selection
- Cancer begins when DNA damage disables tumor suppressors and apoptosis, letting mutated cells persist.
- Continued DNA damage and selection produce oncogenes and traits like metastasis.