Hsu Tzu-you, who has helped terminal cancer patients employing Chinese and Western folk medicine, has in recent years been a forceful proponent of preventative medicine. He states that the human body is a thing of marvel and mystery, explaining how the sympathetic nerve and the parasympathetic nerve help each other obtain balance. But now that people live very sedentary lives, they are constantly exercising their brains but little else.
幫助許多癌末重症病患的兼治中西民俗療者許自佑，近年致力推廣預防醫學，他指出，人體十分奧妙，交感、副交感神經互補平衡，但現代人通常四體不勤，不斷只動腦筋、生活又緊張的結果，造成交感神經不斷使用、副交感神經則逐漸萎縮，以致於無法放鬆。