Tachycardia is a rapid heart rate that beats faster than 100 beats per minute for any reason. It can occur as a result of many acute and chronic conditions. Factors such as age, health conditions, and ...

Smoking affects the lungs and other organ systems, including the heart. The carbon monoxide from tobacco reduces oxygen to the heart, causing it to beat faster to deliver oxygen to the body. Share on ...

If you're new to the world of POTS, whether that's because of its newfound connections with Long COVID-19, or its recent momentum on social media, you've probably come across the long list of symptoms ...