The Pima County Sheriff's Department previously highlighted the significance of Nancy’s pacemaker in the investigation, revealing additional details about its role in an approximate timeline of her ...

Authorities searching for Nancy Guthrie are deploying a piece of specialized tracking technology — commonly referred to as a “signal sniffer” — in an effort to detect emissions from her implanted ...

Forbes contributors publish independent expert analyses and insights. Physician who writes about the rising rates of cancer in young adults. Pacemakers are not designed or approved to provide ...

Data from Nancy Guthrie's pacemaker has helped shed light on the events leading up to her kidnapping, but there are significant limits in how much data the devices can collect. Most importantly for ...

Nancy Guthrie’s 2 a.m. pacemaker spike on the day she vanished could mean that the elderly woman was involved in a heart rate-surging struggle with her possible captors, a lead cardiologist speculated ...

The heart devices do not track location, nor do they transmit across large distances. By Gina Kolata Like an estimated three million Americans, Nancy Guthrie, the 84-year-old mother of the NBC News ...

A pacemaker, which unconfirmed media reports say Nancy Guthrie has, does not contain GPS and cannot be used to track a person's location. A pacemaker will continue to function even if it stops syncing ...

Savannah Guthrie’s mom Nancy Guthrie‘s pacemaker stopped syncing with her Apple Watch early Sunday when she disappeared. A law enforcement source told Fox News Digital that the 84-year-old’s pacemaker ...

R&B star Ray J has shared a sobering update regarding his health, revealing to fans that he may have only months left to live. Following a near-fatal battle with pneumonia earlier this month, the ...