{"publication_id":"19dc964c-c04b-4c23-b723-e0397e5be483","traces":[{"claim_id":"claim_1","claim":"Why this is surprising:** Receipt 1 establishes that metformin can interfere with resistance-training biology at the transcriptomic and hypertrophic level, yet Receipt 2 suggests the downstream glycaemic response to aerobic training survives metformin exposure — the same drug–exercise interaction thus appears molecularly disruptive but metabolically bounded.","candidate_sources":[{"source_id":"source_1","study":"Metformin alters skeletal muscle transcriptome adaptations to resistance training in older adults","doi":"10.18632/aging.104096","url":"https://doi.org/10.18632/aging.104096","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Does metformin modify the effect on glycaemic control of aerobic exercise, resistance exercise or both?","doi":"10.1007/s00125-013-3026-6","url":"https://doi.org/10.1007/s00125-013-3026-6","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]}]}