Pain or tightness in your chest can be not only uncomfortable, but also unsettling. Especially when it comes seemingly out of nowhere and you’re not sure of the cause. Many of us immediately begin to ...

Ever felt your heart flutter so fast that it feels like it will burst out of the chest? This fast beating, pounding sensation is called Heart palpitations, and are usually pretty common. However, ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

Your heart beats approximately 100,000 times every single day, pumping roughly 2,000 gallons of blood through your body without taking a single break. This remarkable organ works tirelessly from the ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Heart palpitations after eating? You’re not alone. These brief episodes of heart racing, pounding, or fluttering can happen for ...

Chest pain and shortness of breath are two symptoms that grab your attention quickly, potentially signaling a heart attack if they come on suddenly. And if they develop gradually and worsen over time, ...