An expert tells PEOPLE why pacemakers have Bluetooth technology, and how it can help locate Savannah Guthrie’s missing mother Nathan Congleton/NBCU Photo Bank/NBCUniversal via Getty The Bluetooth ...

As exercise gets more intense, heart rate rises to deliver more oxygenated blood to working muscles ...

Add Yahoo as a preferred source to see more of our stories on Google. As people follow Nancy Guthrie's disappearance, people are wondering how investigators are using her pacemaker to find her.

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 ...

Even an indestructible bodybuilder like Arnold Schwarzenegger has not been immune to serious injuries and health setbacks.

A sudden calf cramp while walking is common. Many people blame dehydration, tired muscles, or long hours of standing. In many ...

A beloved Bay Area weatherman vanished from the airwaves earlier this month, and now he’s finally sharing the story behind ...

Imagine a heart patient with a pacemaker—one of the millions who rely on these tiny, implanted devices to keep their hearts beating steadily. While pacemakers save lives every day, their ability to ...

The parasympathetic nervous system has the opposite effect. It slows the heart, supports digestion and promotes a calmer ...

A device that could detect signals emitted from Nancy Guthrie's pacemaker is among the tools investigators are using as their search for her continues into its third week, law enforcement sources told ...

They’re searching for Nancy Guthrie’s heartbeat. Cops are flying over the Tucson desert with a high-tech Bluetooth signal detector, also known as a signal sniffer, in an attempt to locate a signal ...

Beloved by gym bros and reality show contestants alike, upper body strength exercises have multiple benefits for gym performance and daily life. And contrary to popular belief, you don't need to spend ...