Why uncertainty is so stressful, how the unknown can feed conspiracy theories and why accepting the uncertainty can be good for our mental and physical health.

Sherry Turkle on her new book, Artificial Intimacy: Who We Become When We Talk to Machines.

Author Robert Kolker about how Frontotemporal Dementia upended the lives of nine siblings and their parents.

Harvard professor Leslie John on the benefits of revealing ourselves to others.

American children used to be adventurous eaters. Why has kids’ food become so bland? And why are so many fussy about what’s on their plates?

Psychologist Marisa Franco explains why we feel unworthy and how to form secure attachments.

What have we learned about loss, grief and memory 25 years after 9/11?

Psychologist Angela Duckworth on her new book "Situated" about how to create relationships and the right environment to help us do what we want to do.

Quick's memoir explores the legacy of intergenerational trauma, the healing power of therapy, and how his dad’s dementia made it possible for them to create a caring bond.

Psychologist Clay Routledge explains one downside to our focus on mental health is what he calls the "pathologizing of ordinary life."

Anthropologist Roy Richard Grinker on the progress in understanding autism, the ongoing efforts to overcome mental health stigma, and the need to dispel persistent myths.

Cognitive scientist Maya Shankar on how to respond to big change in our life.

The Odyssey translator Emily Wlison and Oxford psychiatrist and philosopher Neel Burton on why Homer’s epic poem endures and what it says about the human condition.

Justin Garcia is a sex researcher who visited ...