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Using the search term *ketogenic diet extends lifespan* at https://pubmed.ncbi.nlm.nih.gov, I found 17 scientific articles with the conclusion that the ketogenic diet extends your life.
In contrast, using the search query *ketogenic diet shortens lifespan* at https://pubmed.ncbi.nlm.nih.gov I found only 3 scientific articles with the conclusion that the ketogenic diet shortens your life.
