{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreicbiocmv6zvrrcxnpqcnv2pae2ov2cw3wam76lscohae7i4ufhrzi",
    "uri": "at://did:plc:pmmp7irwts7faw56jdxk3idc/app.bsky.feed.post/3mly6xilpn462"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreic3sgdt63cyrcitvv7h2a4ivaos4mq3mz5y5iglgle4l4cqet34my"
    },
    "mimeType": "image/jpeg",
    "size": 96266
  },
  "path": "/news/2026-05-ai-rewrites-cardiovascular.html",
  "publishedAt": "2026-05-16T11:00:05.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Every day, millions of Americans open a fitness app, glance at their step count, and may even feel a mild pang of guilt before closing it again. The problem with most health tracking technology is that it watches your activity, but it doesn't really know you. A research initiative out of Stanford University School of Medicine is betting that the difference between an app people ignore and one that actually changes behavior comes down to a simple idea: the right message, for the right person, at the right moment.",
  "title": "AI coach rewrites the rules of cardiovascular research"
}