Theories regarding the body's seasonal cycles, which affect depression and may also affect cognition, are mostly based on the regulation of the body's circadian rhythms by the hypothalamic suprachiasmatic nuclei (SCN) [ 6, 23].
Childhood neglect may cause hyperactivity of the HPA axis functioning and dysfunctional attitude, but does not affect depression severity.
So why does it affect depression?
"There's good evidence that diet can affect depression.
Strengths of our study include standardized measures, use of control group, analysis of factors that may affect prevalence of depression and anxiety and a good response rate.
Following the diathesis-stress framework, etiological determinants throughout the life-course may affect vulnerability to depression or act as triggering factors.
Of the treatment programmes, one is the German version of the Adolescent Coping With Depression Course (CWD-A), which consists of ten 2-hour sessions [ 12]; one provides individual treatment sessions [ 11]; and one is primarily for the treatment of performance problems that may affect symptoms of depression [ 14].
Further, some argue that psychological symptoms (e.g., depression) may affect self-rated health [ 43], and depression may explain the relationship of personality to both self-rated health and cognition [ 25, 44].
Since depression may affect the relationship between condom attitudes and sexual risk behavior, we controlled for depression in our analyses.
The presence of depressive symptoms, defined as a score ≥ 5/15 on the Geriatric Depression Scale [ 30], was also an exclusion criterion since depression may affect gait performance [ 31].
