How do pacemakers and defibrillators work? A cardiologist explains how they interact with the electrical system of the heart

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re…

Could a single drug treat the two leading causes of death in the US: cancer and cardiovascular disease?

What would you guess are the two biggest killers in the world? Based on media coverage, maybe you guessed gun violence, accidents or COVID-19. But the top two killers are…