Pacemaker tracking technology used in Nancy Guthrie case reveals how medical devices become surveillance tools for law enforcement investigations.

Balance athletic goals with arrhythmia risk: match the device model and sensor to the sport, and use stress testing to set detection zones and avoid inappropriate therapy.

Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...

A Chulalongkorn University team has given a fainting eight-year-old cat a new lease of life in a procedure that signals Thailand's arrival on the global veterinary stage ...

David Kennedy, a former NSA hacker and inventor of the signal sniffer being used in the investigation, told CBS News that ...

The “ethical hacker” who created the Bluetooth “signal sniffer” being used to try to track Nancy Guthrie’s pacemaker said he created the high-tech tool specifically for the search for the missing ...

The Fitness Pacer Test starts deceptively slow but ramps up quickly. Each beep demands faster sprints with less recovery time. At first it feels manageable, but fatigue sets in faster than expected.

Nancy Guthrie’s family pleaded for her return as the FBI described a masked male suspect seen carrying an Ozark Trail ...

The latest nutrition guidelines urge Americans to avoid highly processed food. But when it comes to carbs, many people don't know which ones are ultra-processed. Here's an easy way to find out.