{"version":"1.0","type":"card","id":"e66007aa-168b-40b4-91f4-d59d7209753e","url":"https://stacklist.com/card/e66007aa-168b-40b4-91f4-d59d7209753e","title":"Coffee and heart health: How many cups are safe?","source_url":"https://newsroom.heart.org/news/coffee-and-heart-health-how-many-cups-of-caffeinated-coffee-are-safe-to-drink-each-day","note":"This page discusses the relationship between caffeine and cardiovascular health, highlighting that consuming up to 5 cups of caffeinated coffee per day is generally safe for most adults. It also explores potential cardiovascular health benefits associated with coffee consumption, based on recent research from the American Heart Association.","image":{"url":"https://ucarecdn.com/f7c5f559-d638-4f07-9aa7-f8247f5c2f8d/","alt":"Coffee and heart health: How many cups are safe?","width":800,"height":1200},"stack":{"id":"77e57e89-6617-4a6d-952d-3da83d11db50","title":"Caffeine Dosing and Safe Daily Intake Guides","url":"https://stacklist.com/c/wellness/stack/77e57e89-6617-4a6d-952d-3da83d11db50"},"created_at":"2026-08-30T18:38:40.614Z","updated_at":null,"aco":{"summary":"The American Heart Association published a scientific statement concluding that consuming up to 400 mg of caffeine per day (about 5 cups of coffee) is generally safe for most adults and may lower the risk of several cardiovascular conditions. However, higher caffeine doses found in energy drinks may increase the risk of high blood pressure and arrhythmia, and more research is needed on caffeine's varying effects.","tags":["caffeine","cardiovascular-health","coffee","heart-disease","american-heart-association","scientific-statement","energy-drinks"],"key_entities":[{"name":"American Heart Association","type":"organization","confidence":0.99},{"name":"Gregory M. Marcus","type":"person","confidence":0.97},{"name":"University of California, San Francisco","type":"organization","confidence":0.95},{"name":"Caffeine and Cardiovascular Disease","type":"concept","confidence":0.95},{"name":"cardiovascular health","type":"concept","confidence":0.93},{"name":"Circulation","type":"technology","confidence":0.88},{"name":"Dallas","type":"location","confidence":0.85},{"name":"energy drinks","type":"concept","confidence":0.85}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-opus-4-6","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-08-30T18:38:51.814Z"},"token_counts":{"approximate":3607,"cl100k":2789},"content_hash":"sha256:fd3877fe05c2fe28738f13d08ae4fcfcdf70d52c55b64b74cc2cc9a8dcb27076","acp_version":"0.2","body_available":true,"body_tokens":3607,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/e66007aa-168b-40b4-91f4-d59d7209753e.json","html":"https://stacklist.com/card/e66007aa-168b-40b4-91f4-d59d7209753e","md":"/api/public/card/e66007aa-168b-40b4-91f4-d59d7209753e.md","stack_json":"/api/public/stack/77e57e89-6617-4a6d-952d-3da83d11db50.json"}}