This needs to get a lot bigger, but it's a good start.
(Link via my older daughter.)
The effect is, apparently, nonlinear over the 115 or 120 systolic we're supposed to aim for, with the almost all of the harm coming from a systolic above 180. See Spyros Makridakis, "High Blood Pressure and Iatrogenics". See also, "There is a non-linear relationship between mortality and blood pressure".
Call me alarmist if you like, but I think this is where the U.S. is headed.
And after we let the elderly go, we can write off the overweight and smokers.