Interesting study. It says, in a nutshell, that it can replicate previous findings that physical fitness in youth reduces the rate of premature mortality due to many conditions, like cardiovascular issues or cancer. That was expected.
Then it looks at the rate of premature mortality due to random accidents (I assume things like car crashes and being run over by trolleys) and finds the same reduced rate, but there should be no correlation.
So something non-causal is probably happening to reduce the stroke, heart attack, and cancer risk of people that were physically active as young adults.
I used to have a Canon Pixma, and the SANE drivers recognized it and scanned from it with no issues, down to the ADF feeder. It was really surprisingly simple, zero setup configuration.
I basically just used the preinstalled software, Skanlite, and it showed with the scanner pre-selected and ready to go.
Of course, YMMV.