Procrastination refers to the act of replacing high-priority actions with tasks of low-priority, and thus putting off important tasks to a later time. Some psychologists cite such behavior as a mechanism for coping with the anxiety associated with starting or completing any task or decision。

　　症状：所有大事小事都拖到最后一刻，能不做时绝对不做，可以拖时一定要拖。

　　病症等级：不治之症

　　Holiday syndrome 假期综合症

　　Holiday syndrome appears when people who just come back tio work from a break.It's caused by longtime TV wactching or internet surfing. It make one's back and waist sore。

　　症状：在长假过后，身心疲惫，心情烦躁，精力不集中，睡不好，吃不香，没有上课或上班的激情，但身体没有器质性病变。

　　病症等级：病情可控，为周一综合症的并发症

　　Prosopagnosia 脸盲症

　　Prosopagnosia is a disorder of face perception where the ability to recognize faces is impaired, while the ability to recognize other objects may be relatively intact.

　　症状：患者看不清别人的脸；患者对别人的脸型失去辨认能力。 脸盲症；即便是熟人，也会形同陌路。

　　病症等级：不治之症

　　Premenstrual syndrome 经期综合症

　　Premenstrual syndrome (PMS) (also called PMT or premenstrual tension) is a collection of physical and emotional symptoms related to a woman's menstrual cycle.

　　症状：下腹部疼痛，常伴随有恶心、呕吐、腹泻等，严重的可出现面色苍白、手脚冰冷、冷汗淋漓等症状。

　　病症等级：病情可控，受个人情绪影响较大，可能会传染

　　Trypophobia 密集恐惧症

　　Trypophobia is an intense fear of the following things, which results in an all-over itchy feeling and general uneasyness. Lotus

　　seed pods, Crumpets, Pumice, Cavities in teeth, the Ampullae of Lorenzini in Sharks, Holes in concrete, Bug tunnels in wood, Enlarged pores of the skin, Aero Bars, Holes in walls caused by bullets, Bone marrow, Wasps' nest, Honeycomb, Bubbles in Dough, Ant holes, Veins in meat, Clusters of holes。

　　症状：对密集排列的相对小物体很敏感，感觉头晕，恶心，头皮发麻。几乎人人都有，程度因人而异。

　　病症等级：病情可控，可能传染