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Ask Tufts Experts September 2008 Issue

Q: What can you tell me about the possible toxic effect of peanut oil lectin (PNA)? I’ve read where the “Paleo Diet” cites research showing that PNA from peanuts and peanut oil clogs the arteries.

Answer : We tracked down one of the original researchers in those 1998 studies, David Klurfeld, PhD, who is now a national program leader in human nutrition with the USDA’s Agricultural Research Service. He replies:

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