Welcome to the reaction video nobody asked for - and yet here we are. I, a certified heart human, react to things with the precision of a hyped-up stretch reflex. No filter, no frontal cortex, just ...

We don't always understand our emotions, but we couldn't lead normal lives without them. They steer us through life, guiding ...

FMI researchers have provided new insights into how the brain organizes and processes memories, thanks to a study that looks ...

May is Brain Cancer Awareness Month, and ABC News’ Kyra Phillips follows Kasey Zachmann and her years-long battle with the disease.