Some environmental phenols are known to have cardiac toxicities. Now, a new study is revealing their adverse impact on the heart's electrical properties. Environmental phenols are found in a wide ...

FDA flags problems with two Boston Scientific heart devices tied to injuries and deaths The FDA issued two alerts about electrical problems tied to the company's heart-zapping defibrillator systems ...

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 exercising or stressed ...