Smartphones have moved wellness research from clinical labs into our daily...

https://aged-wiki.win/index.php/Why_Do_Health_Trends_Spread_in_Days_Now%3F_The_Death_of_Slow_Science

Smartphones have moved wellness research from clinical labs into our daily routines. Wearable trackers now provide real-time data on sleep and heart rate, changing health from an occasional checkup into an ongoing conversation