Genetics

The sex of your cells matters when it comes to heart disease

Most mammals, including humans, have two sex chromosomes, X and Y. One sex chromosome is usually inherited from each parent, and they pair up as either XX or XY in every cell of the body. People with XX chromosomes typically ...

Cardiology

TAVR increasingly being used in young adults despite uncertainty

(HealthDay)—For young adults undergoing aortic valve replacement (AVR), use of transcatheter AVR (TAVR) has increased even though open heart surgery currently is considered the best option, according to a study presented ...

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Aortic valve stenosis (AS) is a disease of the heart valves in which the opening of the aortic valve is narrowed. The aortic valve is the valve between the left ventricle of the heart and the aorta, which is the largest artery in the body and carries the entire output of blood.

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