Conor McGregor will be a keen observer of this weekend's lightweight clash between Paddy Pimblett and Michael Chandler. The former dual-weight UFC champion hasn't competed inside the Octagon since ...

Now that scientists know the aorta helps the heart pump blood, they can start working on medicines for heart failure patients that make the aorta more flexible. A more flexible aorta can stretch ...

These can include heart failure, where the organ struggles to pump enough blood, and even cardiac arrest, a life-threatening condition where the heart stop beating entirely. Symptoms can also ...

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