First, physical fitness, manifested as low mental immunity, such as fatigue, muscle and joint pain, palpitation, chest tightness, decreased sleep quality, loss of appetite, loose stool or constipation, sexual dysfunction, etc.
Second, the psychological aspect. It is characterized by depression, explosive irritability, fear and timidity, poor memory and slow response.
Third, social interaction, manifested in the decline in adaptability, can not correctly handle interpersonal and family relationships, it is difficult to carry out normal social interaction.
Fourth, chronic fatigue syndrome. Neurasthenia, obesity, etc. They are all manifestations of sub-health, so everyone should pay attention to their usual diet and exercise more to improve.