NPR’s 1A, hosted by Joshua Johnson, will be joining the WILL-AM 580 lineup on May 1, airing from 9-11 am Monday-Friday. With a name inspired by the First Amendment, 1A explores important issues such as policy, politics, technology, and what connects us across the fissures that divide the country. 

Guest: Robert Provine.

Is laughing really contagious? Is it good for you? Today on Focus, we'll investigate the science of laughter with expert Robert Provine. He'll talk about its evolution, its neural mechanisms, its health benefits, its contagiousness, and its role in social relationships.