health
Researchers increasingly study how typing speed, voice, or walking gait captured by phones and watches can hint at early health changes.
Digital biomarkers is the term for these device-measured health signals. As phones and watches passively capture things like typing speed, voice characteristics, or the rhythm of a person's walking gait, researchers can look for subtle deviations from that person's normal baseline that might hint at an emerging health issue, potentially surfacing signs earlier than a person would notice symptoms on their own.
Digital wallpapers are decorative background images for a device's screen, and digital coupons are promotional discounts for purchases; neither has any connection to health monitoring or the kind of behavioral data digital biomarkers are built from.
Because digital biomarkers can be gathered continuously and unobtrusively in daily life rather than only during occasional doctor visits, they open the possibility of tracking gradual changes over weeks or months, a timescale that traditional periodic checkups are poorly suited to capture.
health
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