{"id":50369,"topic":"ai","source":"ScienceDaily","title":"AI can tell if your brain is aging faster than you are - ScienceDaily","url":"http://www.sciencedaily.com/releases/2026/07/260729051540.htm","url_hash":"2fb44878253d2653fce0aeaa45ee2f5e99a1d380","author":"","summary":"<a href=\"https://news.google.com/rss/articles/CBMibkFVX3lxTE5GN01yS3hyRlI1ZUgwdlBMYUhCYm52SHlXcFdnUW9RbkhrWUJ3ZC1Pb25KVjZVaWxqdElOd3dhR05obXFCNXE3T2d4WEVEa0VubGh3VEwtbWV4MHJaLTc4RHFfWlBoSVdhUnY5Y0d3?oc=5\" target=\"_blank\">AI can tell if your brain is aging faster than you are</a>&nbsp;&nbsp;<font color=\"#6f6f6f\">ScienceDaily</font>","content":null,"image_url":null,"lang":"en","published_at":"2026-07-31T07:07:24+00:00","fetched_at":"2026-07-31T07:15:04+00:00","status":"read","starred":0,"extract_state":"failed","summary_auto":null,"cluster_id":1768510,"extract_retries":2,"extract_error":"trafilatura_none","contract_version":"news_item.v1","format_contract_version":"news_item_formats.v1","dedup_url":"http://www.sciencedaily.com/releases/2026/07/260729051540.htm","quality_profile":{"profile_version":"extraction_quality.v2","bucket":"low","confidence":0.2,"failure_kind":"extractor_empty","retryable":false,"retry_after_attempts":0,"reason":"Low confidence: extractor returned no usable article text.","operator_guidance":{"severity":"warning","recommended_action":"use_summary_with_caveat","next_step":"Use the available summary only with a visible quality caveat.","operator_label":"Use summary with caveat","can_retry":false,"can_use_summary":true,"diagnostics_required":true},"content_depth":{"contract_version":"content_depth.v1","category":"summary_only","label":"Summary only","has_full_text":false,"has_summary":true,"content_length":0,"summary_length":332,"usable_text_length":332,"source_field":"summary"},"legacy_collapsed":false,"signals":{"extract_state":"failed","extract_error":"trafilatura_none","extract_retries":2,"content_length":0,"summary_length":332}},"news_item":{"id":50369,"canonical_url":"http://www.sciencedaily.com/releases/2026/07/260729051540.htm","source_url":"http://www.sciencedaily.com/releases/2026/07/260729051540.htm","title":"AI can tell if your brain is aging faster than you are - 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