This work presents evidence that infection is cyclical with the seasons, and that this phenomenon is mirrored in cycles of immune function. Stress, infectious d... » 

This work presents evidence that infection is cyclical with the seasons, and that this phenomenon is mirrored in cycles of immune function. Stress, infectious diseases, autoimmune diseases and human cancers are examined, and the role of hormones such as melatonin and lucocorticoids is considered. «