Has anyone who has the iPhone messed up their thumb joint?

Has anyone who has the iPhone messed up their thumb joint?

Not that I'm aware.

There are approximately seven billion people on this planet, and quite a few billion who use mobile phones of all types.

So yes, you can be certain that some users will have pathologies of their thumb which are directly attributable to using their phones.

As a former diagnostic radiographer I have seen people who had arthritic thumbs which they blamed on texting, long before there were any touchscreen phones. My physiotherapist colleagues also treated plenty of people who had diagnoses of Carpal Tunnel Syndrome/Repetitive Strain Injury which were also directly linked to texting, computer gaming and keyboard usage.

But there's nothing about the design of iPhones which would cause injuries any more than any other touchscreen smartphone.

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