{"type":"research","record":{"id":241,"source_id":"europe-pmc","external_id":"42704674","title":"The Aging Mountaineer: Health Risks of Declining Cardiorespiratory Fitness.","authors":"Burtscher M.","journal":null,"published_on":"2026-09-07","doi":"10.1093/qjmed/hcag231","publication_type":null,"evidence_level":"research-record","source_url":"https://europepmc.org/article/MED/42704674","is_open_access":false,"cited_by_count":0,"editorial_summary":"Research record, indexed because it matched monitored longevity research terms. Inclusion in this index does not establish that an intervention is effective or safe.","source_updated_at":"2026-09-15T00:18:04.237+00:00","first_seen_at":"2026-09-14T02:44:55.505863+00:00","last_seen_at":"2026-09-15T00:18:04.237+00:00","status":"published","metadata":{"pmid":"42704674","pmcid":null,"source":"MED","has_references":false},"integrity_checked_at":"2026-09-15T00:18:38.043+00:00","abstract_text":null,"controlled_terms":[],"relevance_confidence":75,"source_quality_score":90,"freshness_score":100,"publication_state":"published","match_explanation":"Published automatically with 75% topic confidence after controlled-term evaluation.","quality_checked_at":"2026-09-15T02:15:56.576005+00:00","duplicate_cluster_key":"doi:10.1093/qjmed/hcag231","duplicate_of_id":null,"research_item_topics":[{"topic_slug":"exercise","is_published":true,"match_reasons":["Legacy record evaluated automatically against controlled title and longevity-context rules."],"matched_fields":["title"],"relevance_score":75,"intelligence_topics":{"name":"Exercise","slug":"exercise"}}],"content_sources":{"name":"Europe PMC","homepage_url":"https://europepmc.org/"}},"canonical_url":"https://www.immortal.life/research/241","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}