For decades, parents were told to help children build willpower like a muscle, to resist things like junk food and too much time on their screens. But new research suggests a better strategy.

Thousands showed up in Chicago over the weekend to pay respects to the civil rights leader, who died last month at the age of 84.

The latest wellness craze involves injecting these molecules for athletic performance, longevity and more. Scientists say the research isn't keeping pace with the health claims.

A study finds that people who did one specific form of brain training in the 1990s were less likely to be diagnosed with dementia over the next 20 years.

He will have you for dinner: what is it about an unapologetic cannibal that so captured readers and audiences? NPR's Scott Simon talks with Brian Raftery about his new book, "Hannibal Lecter: A Life."

The shortest month of the year is packed with highly anticipated new releases, including books from Michael Pollan, Tayari Jones and the late Nobel laureate Mario Vargas Llosa.

Hat tricks have a rich history in hockey, but it didn't start there. For NPR's Word of the Week, we trace the term's some 150-year-history and why it's particularly special on the hockey rink.

The Declaration of Independence states that all men have certain "unalienable rights." From Mark Twain to Jon Stewart, satirists have picked apart that guarantee and what politicians do to honor it.

Parkinson's disease appears to disrupt a brain network involved in everything from movement to memory.

In the office, classroom and living room, working and relaxing mean sitting still. Our bodies evolved without chairs. Here are some tips for getting out of your seat and moving — even on cold days.