In addition to being dictated by age and genetics, behavior, driven in part by thoughts and feelings, is an insight into individual psyche, revealing among other things attitudes and values. Social behavior, a subset of human behavior, study the considerable influence of social interaction and culture. Additional influences include ethics, encircling, authority, rapport, hypnosis, persuasion and coercion.
The psychotic symptoms typically have a depressive âtheme,â such as delusions of guilt, poverty, or illness. Seasonal affective disorder is characterized by the onset of depression during the winter months, when there is less natural sunlight. This depression generally lifts during spring and summer.
Addison's disease is an endocrine or hormonal disorder that occurs in all age groups and afflicts men and women equally. The disease is characterized by weight loss, muscle weakness, fatigue, low blood pressure, and sometimes darkening of the skin in both exposed and nonexposed parts of the body. Addison's disease is an endocrine or hormonal disorder characterized by weight loss, muscle weakness, fatigue, low blood pressure, and sometimes darkening of the skin. 2  Most cases of Addison's disease are caused by autoimmune disorders.