The host defense against pathogens varies among individuals. Among the factors
influencing host response, those associated with circadian disruptions are emerging. These …

Various medical conditions, disorders, and syndromes exhibit predictable-in-time diurnal
and 24 h patterning in the signs, symptoms, and grave nonfatal and fatal events, eg …

Albumin in tears is used as a diagnostic marker of ocular insult and inflammation, but
whether its presence in tears is responsive or part of an adaptive reaction remains …

The symptoms of rhinorrhea secondary to influenza and cold virus or seasonal and
perennial allergic rhinitis are circadian rhythmic. Cough frequency and handkerchief use by …

Background: The common cold is the most frequently experienced infection among humans,
but limited data exist to characterize the onset, duration, severity and intersection of …

Few investigators have examined the circadian variation in the symptom intensity of
infectious diseases. Seasonal patterns in a variety of infectious are well know. Less …

Minor illnesses, such as colds and influenza, are frequent, widespread and a major cause of
absenteeism from work and education. Yet the clinical symptoms of such illnesses may not …

Background The circadian clock regulates the function of the immune system, the replication
of viruses, and the magnitude of infections. The aim of this study was to analyse whether …

This study examined the effects and aftereffects of naturally occurring upper respiratory tract
illnesses on mood and performance. Twenty-six subjects (12 males, 14 females, mean age …

The present study examined whether volunteers with common colds showed impairments in
objective and subjective indicators of alertness over the course of the working day. All the …