Sub-health is a description of the physiological functions of biological organisms, and generally refers to the state between physiological functions and health. The transition from health to disease requires a process from quantitative change to qualitative change, and this special stage before a qualitative change occurs That is sub-health. Which of the following phenomena is sub-health;. ["Pharaoh's physical examination at the hospital several times after his retirement found high blood pressure, but he never felt unwell.", 'Xiao Liu was robbed when he went out shopping on Saturday and was stabbed by a gangster with a dagger in a fight. Now he is out of danger and is undergoing final rehabilitation in the hospital.', 'The soldier is in the third grade and is facing the pressure of further studies. He often stays up late to study and recently felt another layer of mist in his eyes. Medical experts say this may be a pseudomyopia.', "Xiao Gang's father found a cystic mass in the abdomen during the physical examination of the unit. The doctor said that it may be caused by long-term fatigue, and advised him to maintain it, but he didn't care because there were no external signs."]