Though an estimated 60 million people around the world have atrial fibrillation, or A-fib, a type of irregular and often fast heartbeat, it's been at least 30 years since any new treatments have been ...

Type 2 diabetes doesn’t just raise the risk of heart disease—it physically reshapes the heart itself. Researchers studying donated human hearts found that diabetes disrupts how heart cells produce ...

Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner of our planet. Their remarkable adaptability to different environments has long fascinated scientists, with each ...

Flying is usually safe for most people, but it does create certain changes in the body that many passengers do not notice. Inside an aircraft, the air pressure is lower, oxygen levels drop, and the ...