Background: Sleep plays a vital role in our overall health and well-being. However, many individuals suffer from sleep disorders or face challenges with the quality and duration of their sleep. This ...

Coming up with an idea for your next research paper does not have to be difficult, just take a look at 12 controversial medical topics for research paper that we prepared to inspire you. Writing a ...

Detailed information on Pew Research Center international survey meethodology, such as mode of interview, sampling design, margin of error, and design effect, for each country we survey, organized by ...