Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart ...
Your heart rate can provide valuable clues to help you stay well. Here’s what docs want you to know.
We may earn a commission if you make a purchase through one of our links. McClatchy newsrooms were not involved in the creation of this content. As you grow older, your health issues can increase, and ...