which is much more easily explained by a garbage diet, no preventative medicine so to speak of, obesity, work/family/financial stress. there is a lot of space between 2100 mg of sodium for a 3 piece chicken w/ fries, and ~150 mg to put a little life into a patty.
And high water increases likelihood of electrocution. And very high water increases likelihood of finding yourself with a wet T-shirt.
"Increases likelihood" is bullshit at best (manipulation more typically) without quantifying how much, and how much would it need to be to be remotely significant.
The vast, vast, vast majority of people do not have any reason to restrict salt intake.