Melatonin supplements have become a ubiquitous sleep aid, but research shows that benefits are modest, and the heart health ...

A University of Michigan study published Oct. 13 found that while many U.S. young adults use cannabis and alcohol to induce sleep, excess use of these substances may be problematic and actually ...

Here’s what the science says about what helps with a stuffy nose, what doesn’t and how else to breathe easier.