HI All. I did not know this maybe, more reasons to try and cut the stress,circulatory prombles stress can make your bodys arteries and veins tighten up in the respon to the fight or flight complex this can reduce blood flow thoughout the body and can create probles like blood cloths poor circulation or strokes.Stress can all so raise your blood cholesterol. Now I know why dad said stress will kill you. Hugs