Hana Callaghan is the director of the Government Ethics program at the Markkula Center for Applied Ethics and the author of Campaign Ethics, A Field Guide. The opinions expressed herein are her own.

BACKGROUND: Mental stress-induced myocardial ischemia is often clinically silent and associated with increased cardiovascular risk, particularly in women. Conventional ECG-based detection is limited, ...

Big updates are in the works for American Express' Platinum consumer and business credit cards in the US later this year, according to a Monday announcement from the company. American Express and the ...

Neuroscience examines the structure and function of the human brain and nervous system. Neuroscientists use cellular and molecular biology, anatomy and physiology, human behavior and cognition, and ...