Last November, Conrad Anker suffered a heart attack at 20,000 feet. Did the altitude have something to do with it?
A new study found that America's youth are among the least fit in the world—and our unequal income distribution likely has something to do with it.
So, you saw an article about new research that seems too good to be true (chocolate can save your life!) and want to figure out what’s actually going on. Here’s your guide to reading a scientific...