The Switch is not a healthcare device, neither was it marketed as one, but for 28 year old Chris, it probably qualifies as one.

While playing Mario Kart 8 Deluxe on the Nintendo Switch, Chris always felt a strange prick in his right palm, especially when the HD rumble kicks in when he gets a coin. This prompted him to get his hands check, leading him to seek medical attention and receiving diagnose of a tumour in his hand.

Thanks to this, Chris was able to seek early treatment even before the tumour was visible through his skin.

So, if you feel any sharp pain in your hands while gaming, why not take it to the doctors for a check.

Source: source