Holly Klamer MS, RDN, is a registered dietitian-nutritionist with master's degrees in nutrition and exercise science. As Health's former nutrition editor, she kept track of supplement trends and ...

Sleep deprivation has quietly become one of the most pervasive public health issues of the modern era, impacting everything from emotional regulation to immune defense. Yet while millions turn to over ...

Melatonin – a go-to sleep aid for kids and adults alike in many households in America – continues to create media buzz, with conflicting messages that leave people uncertain about its safety. Some ...