喺你一生經歷咁多壓力裏面 呢一個生理變化足以決定 一個人五十歲因為壓力而心臟病發 定係直到九十歲仍然活得好好
In the midst of all the stresses you have experienced in your life, this one physiological change is enough to determine whether a person will have a heart attack at the age of 50 or will still live well until the age of 90