The<unk> is a term that describes persons who are in relatively good health but believe themselves to be ill or likely to get an illness based on a current circumstance. As a collective noun, the term is typically used for groups of patients, not clearly defined, who are perceived to be using health services inappropriately or disproportionately. The phenomenon is also known as<unk> syndrome. The<unk> are within ICD-10 code Z71.1—"Person with feared complaint in whom no diagnosis is made." They are distinct from those suffering from hypochondriasis (health anxiety), whose health concerns are chronic and rise to the level of a psychiatric condition; in contrast, anxiety experienced by<unk> patients is usually caused by a specific event.
Worried well 
Self-hatred
Sadness
Louping ill
Wellness 
Sleep and weight
Appetite
Sleep sex