Psychological effects of illness

Illness can have a surprising number of psychological effects. Many of the signs and symptoms of illness have psychological implications and include:


 * Pain
 * Malaise]
 * Fatigue
 * Loss of self confidence
 * Depression in mood
 * Anxiety
 * Sleep cycle disruption
 * Appetite disruption

and these a accompanied by more subtle cognitive effects:


 * Poor concentration and other attention deficits.
 * Impaired memory
 * Impaired levels of consciousness

The combination of these effects lead to the experience of feeling ill.