cattletruck, spot on, learning to relax is important for surviving both the dreaded BP tests and snake bight. Get rid off all carb, but especially the refined ones.
i have never had any probs passing BP but just because i am older than 65, i start off with a heap of demerit points and i have to go do a stress ECG, makes me mad as it also cost a few dollars, extra trip to town etc, it all adds up.
A good site to visit and one that is easy to read which gives good advice re BP and all cardiovascular info is
spacedoc
cheers tet.