ABC News' Rebecca Jarvis speaks with Airbnb CEO Brian Chesky about how the company is bringing people together and why he thinks AI will make people want more ‘real world’ connections. In some of the ...

Happiness is an electrifying and elusive state. Philosophers, theologians, psychologists, and even economists have long sought to define it. And since the 1990s, a whole branch of psychology—positive ...

Physicians and patient advocacy groups are rallying behind a renewed legislative effort in Congress to amend what they claim are harmful step therapy practices that often delay or deny effective ...