Time for bed, said the adrenal clock

2019-03-02 01:09:00

THE crocodile in Peter Pan had a ticking belly. We’ve got one too, except our ticking comes from the adrenal glands above our kidneys and not from a swallowed alarm clock. The mammalian body clock was thought to be set exclusively by a part of the hypothalamus in the brain called the suprachiasmatic nucleus (SCN). Now Henryk Urbanski and his colleagues at the Oregon National Primate Research Center in Beaverton, Oregon,