The term “circadian rhythms” describes endogenous oscillations with ca. 24-h period
associated with the earth's daily rotation and light/dark cycle. Such rhythms reflect the …

Health is usually defined as the absence of pathology. Here, we endeavor to define health
as a compendium of organizational and dynamic features that maintain physiology. The …

Obstructive sleep apnea syndrome (OSAS) is a common breathing disorder in sleep in
which the airways narrow or collapse during sleep, causing obstructive sleep apnea. The …

The circadian clock evolved in diverse organisms to integrate external environmental
changes and internal physiology. The clock endows the host with temporal precision and …

Large bone defects resulting from fractures and disease are a major clinical challenge,
being often unable to heal spontaneously by the body's repair mechanisms. Lines of …

To accommodate daily recurring environmental changes, animals show cyclic variations in
behaviour and physiology, which include prominent behavioural states such as sleep–wake …

Circadian Mechanisms in Medicine Molecular insights into diurnal variations in human
physiology and behavior are extending our understanding of a wide range of disease …

BACKGROUND Life-forms ranging from bacteria to humans are programmed by circadian
clocks—mechanisms that impose an~ 24-hour rhythmicity on biology in harmony with …

Insulin resistance is a main determinant in the development of type 2 diabetes mellitus and a
major cause of morbidity and mortality. The circadian timing system consists of a central …

The maintenance of iron homeostasis is essential for proper endocrine function. A growing
body of evidence suggests that iron imbalance is a key factor in the development of several …