Silent killer

High blood pressure is the main [color=Red][b]culprit （罪犯）[/b][/color] in six out of ten strokes, half of all heart disease and a fifth of all kidney failures. It’s even a common factor in [color=Red][b]dementia （痴呆）[/b][/color]. Yet many Canadians may have this condition and not even know it.

10例中风中的的例，一半的心脏病以及五分之一的肾衰竭是由高血压引起。是导致痴呆的罪魁祸首。但是很多患有高血压的加拿大人并不知道自己的病情。