Effect of T'ai Chi on Breathing, aches & blood pressure Author: Anonymous Conference/Journal: Hawaii Medical Journal Date published: 1992 Other: Volume ID: 51 , Issue ID: 8 , Word Count: 41 Participants observed a 'big increase in breathing capacity', a disappearance of backaches and neckaches, those with high blood pressure claimed a drop of 10 to 15 mm Hg systolic at rest, and all participants claimed to have more energy in their daily work.