Quite simply, your blood pressure should not be 120/80 even after exercise. It is important to know that all physical activity increases blood pressure, which is a natural result of increased blood demand from the muscles and a process called autoregulation.
You may also like: How can I control blood pressure in a long period?
Related FAQs:
http://healthtopquestions.com/?p=512
http://healthtopquestions.com/?p=522
http://healthtopquestions.com/?p=1344
