13 November 2017 - For the first time, the FDA has approved a digital pill — a medication embedded with a sensor that can tell doctors whether, and when, patients take their medicine.

The approval, announced late on Monday, marks a significant advance in the growing field of digital devices designed to monitor medicine-taking and to address the expensive, longstanding problem that millions of patients do not take drugs as prescribed.

Experts estimate that so-called non-adherence or noncompliance to medication costs about $100 billion a year, much of it because patients get sicker and need additional treatment or hospitalisation.

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