It is an incredibly small endocrine gland found in the brain that regulates your circadian rhythm (sleep pattern) by releasing melatonin. This ever-so-small organ is shaped like a tiny pinecone ...

One of the most striking features of our world is the continuous cycle of day and night. Almost all living organisms, ...

Furthermore, bacterial circadian rhythms may affect the bugs' resistance ... that are absorbed into the bloodstream and are taken to other organs, including the brain, he told Live Science.