About this "Blood Pressure" business, a normal range is betwwen 100-140 over 60-90. The first number (100-140systolic) is the force exerted on thechambers of your heart on contraction which is important but the lower number(60-90diastolic) is more important as this is the force on the chamber whilst heart is relaxed.

I think you just smoked to much, I get a little twitch sometims, to be honest I think most people do. Take it easy bruv!