Multiple studies in humans and animals have demonstrated the profound impact that
exercise can have on the immune system. There is a general consensus that regular bouts …

It is well established that physical activity reduces all-cause mortality and can prolong life.
Ultra-endurance running (UER) is an extreme sport that is becoming increasingly popular …

Purpose: Psychological stresses induced by competition, can cause immune system
alternations, which predisposes the athletes to infectious diseases more than common …

This systematic review and meta-analysis aimed at evaluating acute and chronic effects of
physical exercise on IgA and IgG levels, as well as its relationship with the susceptibility to …

The study aimed to determine circulatory endotoxin concentration, cytokine profile, and
gastrointestinal symptoms of ultra-endurance runners (UER, n= 17) in response to a 24-h …

Heavily exercising endurance athletes experience extreme physiologic stress, which is
associated with temporary immunodepression and higher risk of infection, particularly upper …

The aim of the present study was to compare oxidative stress biomarkers determined in
blood and saliva before and after acute resistance exercise. 1 week after 1 maximum …

Objective To determine the days until return to sport (RTS) after acute respiratory illness
(ARill), frequency of time loss after ARill resulting in> 1 day lost from training/competition …

Purpose To examine the relationship between upper respiratory illness (URI) incidence with
changes in mucosal immunity (saliva immunoglobulin A (s-IgA) and saliva lysozyme (s-Lys)) …

The aim of this paper is to describe the structure, production and function of secretory
immunoglobulin A (sIgA) as well as changes of its concentration caused by exercise of …