How Your Smartwatch Tracks Sleep (And How Accurate It Really Is)

How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...

President Trump Receives A CT Scan, Not A MRI. Here’s What That Is And What It Means

A radiologist and public health expert breaks down what we know about President Trump's CT scan, and what this means for his ...

Aspirin, CT scans and sleep: Five questions raised by Trump’s new disclosures on his health

It is not clear what test he was referring to in his post, and the White House did not immediately return a request for ...