Ancher, Michael, "The Sick Girl", 1882, Statens Museum for Kunst<unk>  is a coordinated set of adaptive<unk> al changes that develop in ill individuals during the course of an infection. They usually, but not always, accompany fever and aid survival. Such illness responses include lethargy, depression, anxiety, malaise, loss of appetite, sleepiness, hyperalgesia, reduction in grooming and failure to concentrate.<unk>  is a motivational state that reorganizes the organism's priorities to cope with infectious pathogens. It has been suggested as relevant to understanding depression, and some aspects of the suffering that occurs in cancer.
Sickness behavior
Fear of falling
Extrapyramidal symptoms
Mental distress
Fear of flying
Fear of trains
Accident-proneness
Emotional lability