Jonah Comstock

MyNetDiary's popular food tracking app When it comes to weight loss, a simple food tracking application like MyNetDiary or MyFitnessPal might be a much better investment than $100 Fitbit or Jawbone device, at least according to newly released data from the Activity Exchange, a startup that aggregates health tracking data for payers, employers, and providers.

The updated Fitbit app tracks frequency of exercise on a calendar.

IBM's Watson has yet another new gig, and it could lead to a novel way for big data to interact with personalized healthcare.

The FDA has, at long last, released draft guidance for how pharmaceutical companies should behave on limited-character social media platforms like Twitter and when correcting misinformation on third-party sites.

LG's heart rate sensing earphones use technology licensed from Valencell.

Vidscrip, a Minneapolis-based patient engagement startup, has inked a deal to provide its video-making software to physicians across Partners Healthcare in Boston.

San Francisco-based Augmedix, one of several startups developing Google Glass software and modifications for hospital use cases, has raised $7.

The Dexcom G4 was the continuous glucose monitor used in the study.

Google Now tracking activity.

As the makers of wearable sensors continue to push the boundaries of what those sensors can track, new research suggests that a device worn on the wrist could some day track hydration, pulse, and even blood glucose non-invasively.