Fair use is a concept in US copyright law that was created to balance the exclusive rights of copyright owners and the needs of everyday users of copyrighted material. Fair use of copyrighted works, ...

To better understand Americans’ social media use, Pew Research Center surveyed 5,733 U.S. adults from May 19 to Sept. 5, 2023. Ipsos conducted this National Public Opinion Reference Survey (NPORS) for ...

How has marijuana legalization changed the way Americans use it, and what does this mean for public health? As of 2024, marijuana has become legalized for recreational use in 24 states, with 38 states ...

Substance use and substance use disorder differ by the frequency of use and the effect on a person’s life. Substance use disorder is a mental health condition. Substance use refers to using both legal ...

Substance use disorder (SUD) affects a person’s ability to control their use of alcohol or drugs. SUD can affect various areas of a person’s life, such as work, school, or family responsibilities.

Social media use is widespread and continues to grow. The most popular social media site, Facebook, is used by 68% of Americans and the average American spends over two hours a day on social media.

To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U.S. adults from Feb. 5 to June 18, 2025. SSRS conducted this National Public Opinion Reference ...