Why is cancer spreading at night?

The metastatic spread occurs by blood dissemination of the tumor cells that are already circulating in the body. Surprising finding by the authors of this study suggests there is a certain pattern of pathologic cells generation. Such hormones as melatonin, testosterone and glucocorticoids are responsible for the process in a time-dependent manner. Can this knowledge change the metastatic treatment guidelines? Find out by following the link.