Overview

• The company’s researchers analyze passive signals from everyday phone and watch use, including typing speed, app activity, calling patterns, and voice characteristics.
• Samsung says the approach relies on existing Galaxy phones and Galaxy Watches rather than new hardware.
• Findings suggest language and memory changes may be detectable through voice, while shifts in messaging behavior can reflect declining social engagement.
• Samsung cautions that the technology is not ready for consumers as it works to improve accuracy and pursue medical validation.
• Coverage frames the work as potentially giving Samsung a health-monitoring edge over Apple if it is clinically validated and released.