{"version":"1.0","type":"card","id":"b5aa9e40-a723-4966-bfbc-ec50aeed29e2","url":"https://stacklist.com/card/b5aa9e40-a723-4966-bfbc-ec50aeed29e2","title":"Dark Chocolate and Diabetes Risk","source_url":"https://www.health.harvard.edu/heart-health/daily-dose-of-dark-chocolate-linked-to-lower-diabetes-risk","note":"Harvard Health on a 30-year study of about 192,000 people: those who ate at least five ounces of dark chocolate weekly had a 21 percent lower chance of developing type 2 diabetes. Milk chocolate showed no such link. Flavonoids and lower sugar appear to be why.\n","image":{"url":"https://ucarecdn.com/3d4b394e-4d95-4328-ba02-0a117379a3f3/","alt":"Dark Chocolate and Diabetes Risk","width":549,"height":375},"stack":{"id":"e334c21b-c80b-4c7f-b0af-cfc3bca6d578","title":"Chocolate and Blood Sugar","url":"https://stacklist.com/c/food/stack/e334c21b-c80b-4c7f-b0af-cfc3bca6d578"},"created_at":"2026-07-14T09:23:34.324Z","updated_at":null,"aco":{"summary":"A large observational study of about 192,000 people over 30 years found that consuming at least five ounces of dark chocolate per week was associated with a 21% lower risk of developing diabetes. Dark chocolate's higher flavonoid content and lower sugar compared to milk chocolate may improve blood sugar regulation, though the study cannot prove a causal relationship.","tags":["dark-chocolate","diabetes","flavonoids","observational-study","nutrition","health-research"],"key_entities":[{"name":"Julie Corliss","type":"person","confidence":0.95},{"name":"Christopher P. Cannon","type":"person","confidence":0.95},{"name":"Harvard Health Publishing","type":"organization","confidence":0.9},{"name":"The BMJ","type":"organization","confidence":0.9},{"name":"dark chocolate","type":"concept","confidence":1},{"name":"type 2 diabetes risk","type":"concept","confidence":0.95},{"name":"flavonoids","type":"concept","confidence":0.9},{"name":"Harvard Medical School","type":"organization","confidence":0.85}],"classification":"analysis","language":"en","confidence":0.85,"provenance":{"model":"claude-opus-4-6","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-07-14T09:23:42.538Z"},"token_counts":{"approximate":689,"cl100k":583},"content_hash":"sha256:054f7c19106ff5c97f029bb557bba94e67c3776ed53347dfda73bd830d574573","acp_version":"0.2","body_available":true,"body_tokens":689,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/b5aa9e40-a723-4966-bfbc-ec50aeed29e2.json","html":"https://stacklist.com/card/b5aa9e40-a723-4966-bfbc-ec50aeed29e2","md":"/api/public/card/b5aa9e40-a723-4966-bfbc-ec50aeed29e2.md","stack_json":"/api/public/stack/e334c21b-c80b-4c7f-b0af-cfc3bca6d578.json"}}