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A publisher correction was issued for this paper (Nature 2020;578:E24, PMID 32051582); its notice body was not available, so its impact on these records has not been assessed.\nexposure: Oral metformin; high-fat diet in mice; GFRAL-antagonist antibody\nevidence_span: {\"source_cache\": \"artifacts/metformin-research/31875646.abstract.txt\", \"locator\": \"Indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"a25b31ade3977aabe24159b0374c42fe4fb48ab1464ba9ae69c73e63f41e742a\", \"start_char\": 0, \"end_char\": 1454, \"text_sha256\": \"a25b31ade3977aabe24159b0374c42fe4fb48ab1464ba9ae69c73e63f41e742a\"}\n[metformin-p31875646] GDF15 mediates the effects of metformin on body weight and energy balance. 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