An Apple Watch a day keeps the doctor away.
Some users are surprised by their device’s ability to spot early signs of illness before an illness like COVID or a cold occurs after the iOS 11 software update rolled out last month.
Apple Watch’s surprisingly accurate Vitals app — available on Series 8 and up — uses critical metrics taken over a week while a user is asleep, according to Mac Rumors.
“If multiple metrics are outside your typical range, you get a notification along with context about factors that may be involved — like medications, altitude changes, or illness, for example,” notes Apple.
Many shared their experiences online with the nifty tech, including one Reddit user who wrote, “Vitals app knew I was sick 3 days before I did” with a screenshot of its findings.
In their case, the app captured three “outliers” within the person’s wrist temperature, which can also be viewed on the iPhone and iPad.
“I started using Vitals when it first came out in beta and since then I’ve been sick about twice,” commented another user, before adding that “both times I knew a few days in advance and I didn’t feel anything bad .
In the same post, someone shared a screen showing the Apple Watch “knew I wasn’t 100% up to date with my COVID and flu shots” and had noticed irregularities not only in wrist temperature, but also in heart rate and of breathing.
On X, user Rory Evans posted that his Series 9 Watch “detected a few things with my vitals days before I tested positive for COVID.”
“Such smart technology and very useful to have – especially in such a fast-paced world.”
However, Apple warns that readings may be affected depending on how you keep it connected.
“Wearing your Apple Watch with the right fit—not too tight, not too loose, and with room for your skin to breathe—keeps you comfortable and allows the sensors to do their job.”
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