The sympathetic system is the branch of the nervous system associated with the threat response. People who have had traumatic ...

Kiara Taylor has worked as a financial analyst for more than a decade. Her career has involved a number of financial firms, including Fifth Third Bank, JPMorgan, and Citibank. She has filled a ...

Some people can't form mental images. Here's what scientists are learning about the condition known as aphantasia—and why ...