A heart murmur can sound scary—literally. A Keck Medicine of USC cardiologist explains why it might not be as scary as you ...

Enzymes help with specific functions that are vital to the operation and overall health of the human body. They help speed up chemical reactions and are essential for respiration, digestion, muscle ...

Rajeev Dhir is a writer with 10+ years of experience as a journalist with a background in broadcast, print, and digital newsrooms. Betsy began her career in international finance and it has since ...

At Healthline, we’re committed to providing you with trustworthy, accessible, and accurate information so you’re equipped to care for your health and wellness. We use an established Editorial Process ...

Ejection fraction (EF) measures the amount of blood pumped out of your heart's lower chambers, or ventricles. It's the percentage of blood that leaves your ventricle when your heart contracts. The ...

Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced ...

Hypertrophic cardiomyopathy (HCM) thickens the left ventricle in your heart, which can make pumping blood harder and raise the risk of complications if untreated. HCM symptoms can be mild or absent ...