![Fitbit could help doctors predict how patients will react to chemotherapy | Wearable technology | The Guardian Fitbit could help doctors predict how patients will react to chemotherapy | Wearable technology | The Guardian](https://i.guim.co.uk/img/media/c83d44d91268f1548f4a85568492d837006c8360/0_269_5400_3240/master/5400.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTgucG5n&enable=upscale&s=4063b4bf6c408997138314145077757c)
Fitbit could help doctors predict how patients will react to chemotherapy | Wearable technology | The Guardian
![I got my COVID booster shot yesterday, and today the fever & side effects made my heart rate go up so much that my Fitbit read it as Zone minutes. Pretty interesting... : I got my COVID booster shot yesterday, and today the fever & side effects made my heart rate go up so much that my Fitbit read it as Zone minutes. Pretty interesting... :](https://i.redd.it/pl2xxglyyba81.jpg)
I got my COVID booster shot yesterday, and today the fever & side effects made my heart rate go up so much that my Fitbit read it as Zone minutes. Pretty interesting... :
![Rashes, blisters, peeling skin: Users of 130 dollar wrist-worn Fitbit fitness gadget up in arms after complaints that it causes skin sores and even permanent scarring | Daily Mail Online Rashes, blisters, peeling skin: Users of 130 dollar wrist-worn Fitbit fitness gadget up in arms after complaints that it causes skin sores and even permanent scarring | Daily Mail Online](https://i.dailymail.co.uk/i/pix/scaled/2014/01/14/article-0-1AA8348100000578-126_636x382.jpg)