We've all had those days when all we want is a little treat. Maybe it's a bag of chips, an ice cream sundae or a glass of wine. But sometimes, these desires become all-consuming. This week on the show, psychiatrist Judson Brewer helps us understand the science of cravings, and how we should...

Anthropologist Tom Pearson was devastated after his daughter Michaela was diagnosed with Down syndrome. When he began to examine that emotional response, he found himself wrestling with questions that have roiled his field for decades. Early anthropologists would often compare people of different...