Melatonin is a ubiquitous molecule present in almost every live being from bacteria to
humans. In vertebrates, besides being produced in peripheral tissues and acting as an …

Background Inflammation in the lung is the body's natural response to injury. It acts to
remove harmful stimuli such as pathogens, irritants, and damaged cells and initiate the …

Inflammation is a pervasive phenomenon that operates during severe perturbations of
homeostasis, such as infection, injury, and exposure to contaminants, and is triggered by …

Most cytogenetic studies on painters reported increased levels of genetic damage, such as
chromosomal aberrations, micronucleus formation, sister chromatid exchange, 23 and DNA …

The importance of metabolic health is a major societal concern due to the increasing
prevalence of metabolic diseases such as obesity, diabetes, and various cardiovascular …

This review summarizes the numerous observations published in recent years which have
shown that one of the most significant of melatonin's pleiotropic effects is the regulation of …

Reptiles are ectothermic amniotes, providing the key link between ectothermic anamniotic
fishes and amphibians, and endothermic amniotic birds and mammals. A greater …

Physiological processes such as the sleep-wake cycle, metabolism and hormone secretion
are controlled by a circadian rhythm adapted to 24 h day-night periodicity. This circadian …

Animals living in temporally dynamic environments experience variation in resource
availability, climate and threat of infection over the course of the year. Thus, to survive and …

Immune defenses have been suggested to play an important role in mediating life history
trade-offs. Detecting and understanding such trade-offs, however, is complicated by the …