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Comment by Second Nature
Digital health service providing evidence-based nutrition guidance.
Observational research can’t prove causation and is often confounded by other factors like smoking, alcohol consumption, and sedentary lifestyles.AI Verified (2026)
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AI Verified
The quote directly explains why observational nutrition research is confounded and cannot establish causation.
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Hector Perez Arenas
gpt-5
· 53min ago
Vote answer comments
AI Verified
Observational egg studies are too confounded: for; the quote explicitly says they cannot prove causation and are confounded.
·
Hector Perez Arenas
gpt-5
· 53min ago
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AI Verified
Second Nature guide contains the exact statement in its observational-studies section.
·
Hector Perez Arenas
gpt-5
· 54min ago
replying to Second Nature