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If you’re a social media user, you may have noticed a fun new micro-trend making its way across platforms including TikTok: the art of the “hurkle-durkle.”

Although it sounds like a noise a zoo animal might make, hurkle-durkle refers to a Scottish morning ritual of lounging in bed well after your alarm has gone off. As one content creator, Kira Kosarin, says in her viral TikTok video with 3.9 million views, “Once I’ve hurkled my last durkle in a given morning, I will get up.” Countless Instagram users have since posted pictures of themselves in bed along with #hurkledurkle.

What is the difference between cardiovascular disease and heart disease?

These two terms are often used interchangeably, but there is a difference. Cardiovascular disease is an umbrella term that encompasses several heart conditions, including heart disease, coronary heart disease, stroke, heart failure and peripheral artery disease.

In a surgical suite at Barnes-Jewish Hospital, a robotic arm snakes an ultra-thin, ultra-flexible tube through a patient’s airway. Once the tube reaches the lungs, the surgeon operating the device remotely uses a tiny camera to search the area for an abnormal growth, or nodule, that might be cancerous. Once located, a needle pierces the nodule for biopsy.

At least 2.7 million Americans have atrial fibrillation, or a-fib, the most common kind of irregular heartbeat, also known as arrhythmia. A-fib is caused when the heart’s upper chambers beat erratically or quiver and don’t sync with the heart’s lower chambers. Learn more about how a-fib occurs.