Electrocardiograms, or ECGs, record the electrical activity of your heart.
Randy Faris/The Image Bank via Getty Images
A cardiologist explains how they interact with the electrical...
by Keith Diaz, Columbia University
The Research Brief is a short take about interesting academic work.
The big idea
To reduce the harmful health effects of sitting,...
by Aleksandr Aravkin, University of Washington; Christian Razo, University of Washington, and Jeffrey Stanaway, University of Washington
The big idea
We developed a new method for...
WASHINGTON (AP) — There's more disappointing news about multivitamins: Two major studies found popping the pills didn't protect aging men's brains or help heart...